The angular distance of a point on the terrestrial sphere from the north pole is called

Csc 520° is equal to

What is the sine of 820°?

The logarithm of the negative number is

The sum of the squares of the sine and cosine of an angle.

The logarithm of a number to the base e (2.7182....) is called

The characteristic is equal to the exponent of 10, when the number is written in

Napierian logarithms have a base closest to which number?

The logarithm of 1 to any base is

Sin (270° + B) is equal to

The sum of the angles in an octant spheric triangle is

The median of a triangle is the line connecting the vertex and the midpoint of the opposite side. For a given triangle, these medians intersects at a point which is called the

The altitudes of the sides of the triangle intersects at the point known as

The angle which the line of sight to the object makes with the horizontal which is above the eye of the observer is called

Log M – log N id equal to

The other form of log_a N = b is

The point of concurrency of the altitude of the triangle.

The point of concurrency of the perpendicular bisector of the sides of the triangle.

The point of concurrency of the angle bisector of the triangle is called

The inverse function of a logarithm is known as

The cologarithm of a number is the of the logarithm of a number.

The first table logarithms with 10 as base was developed in 1615 by

Who invented logarithms in 1614?

The number log_a b is called the of the system of a base a with respect to the system of base b.

Napierian logarithm has a base of

Log x = ln x.

ln x = log x

Which of the following cannot be a base for a logarithm?

The integral part of a common logarithm is

The mantissa of a logarithm is a

For 0 < x < 1, ln x is

If 1 < N < 10, then

To change log_a to log_b N, multiple log_a N by

The numbers log_a b and log_b a are

Logarithm using 10 as base.

The logarithm of a product is the of the logarithms, and the logarithm of a quotient is the of the logarithms.

When a logarithm is expressed as an integer plus a decimal (between 0 and 1), the integer is called

The characteristic of a logarithm is 3. The number between

The characteristics of the common logarithm of a number greater than 1 is

The characteristic is the exponent of 10, when the number is written in scientific notation.

If logarithm to base 10 (denoted as log_10) is called common logarithm is called natural logarithm, what do you call the logarithm of base 2 (denotes as lb)?

If the unknown is a conditional equation occurs as an exponent, the best way to solve the unknown is by

Angles of rotation with the same initial side and terminal side

An angle equal to one revolution of 360°

The angle which the line of sight to the object makes with the horizontal is above the eye of an observer

The angle which the line of sight to the object makes with the horizontal is below the eye of an observer

A triangle inscribed in a given triangle whose vertices are the feet of the three perpendiculars to the sides from the same point inside, the given triangle.

The triangle with minimum perimeter but maximum area inscribed in another triangle is known as

A right triangle whose length of sides may be expressed as ratio of integral units

A triangle with no side equal is known as

If two triangles have congruent bases, then the ratio of their areas equals the ratio of

Which of the following is not a secondary part of a triangle?

Which of the following is not a property of a triangle?

Given the sides of a triangle as 3 m and 5 m. The third side is

A straight from the vertex of a triangle to the midpoint of the opposite side is known as

Indicate the false statement

The case of the solution of the triangle in the plane where the given data lead to two solutions

The most proved theorem in Mathematics

The least proved theorem in Mathematics.

Equations used for checking the solution to a plane triangle using law of sine’s are as follows: (Equation) and (Equation). These equations are called

Napier’s rule states that the sine of any middle part is equal to the product of the of the opposite parts.

Napier’s rule states that the sine of any middle part is equal to the product of the of the adjacent parts.

How many formulas may be derived from using the Napier’s Rules?

The sum of all interior angles in a spherical triangle is always

The maximum value for the longitude is

The maximum value for a latitude is

If R is the radius of a sphere and E is an spherical excess (in radians), then the area of a spherical triangle is

One minute of the great circle arc on the surface of the earth is equivalent to

A spherical triangle with all angles equals to a right triangle is called spherical triangle.

A spherical triangle with at least one side is a quarter of a great circle is called spherical triangle.

One of the two great circles intersecting at right angle at the piles and dividing equinoctial points and ecliptic into 4 parts

The radius of the earth used in spherical trigonometry is

The difference between a nautical mile and a statute mile

Manila has a longitude of 121°05’E. What is the time difference between Manila and Greenwich, England which is at prime meridian?

The earth is divided into how may time zone?

In a spherical triangle, two angles (or sides) are on the same species if they are both

Spherical degree is a unit of a spherical area taken as 1/720 of the surface of the sphere. How many spherical degrees a hemisphere have?

Which of the following statements is false about spherical trigonometry?

The sum of the sides of a spherical triangles is always less than

The sum of any two angles of a spherical triangle is

Refers to the angular distance from the equator measured along a meridian.

Refers to the angle at either pole between the meridian passing through a point and some fixed meridian known as the prime meridian.

Is half of a great circle terminated by the North Pole and South Pole

When the hypotenuse of a right spherical triangle is less than 90°

When the hypotenuse of a right spherical triangle is greater than 90°.

The point where a ray from the center of the earth through an observer’s position on it intersects the celestial sphere is call the observer’s

The point that is diametrically opposite the zenith is called

al sphere is call the observer’s

The point that is diametrically opposite the zenith is called

The great circles through the north and south celestial poles are called

An oblique equilateral parallelogram:

Mil is a unit of

The perpendicular segment from a vertex of the triangle to the line containing the opposite side

The angle which the line of sight to the object makes with the horizontal is below the eye of the observer

A pair of equal angles form by parallel lines and a third line intersecting the parallel lines.

The point at the top of a pyramid or triangle

The theorem that shows the relation between the three sides of the triangle and the length the medium of the triangle from one vertex to the opposite sides of the triangle.

The inverse of cosine function or arc cosine is known as

The inverse of hyperbolic cosine or arcosh is known as

The logarithm having a base 2 is known as

The perpendicular bisector of the sides of a triangle pass through a common point which is equivalent from the three vertices of the triangle is called

The circle circumscribing a triangle has its center at the intersection of the perpendicular bisector of the triangle.

Any line segment joining a vertex of a triangle to a point on the opposites side

The logarithm of the reciprocal of a number equal to the additive inverse of its logarithm

Another term for radius of an escribed circle of a triangle

The center of an escribed circle of a triangle

An angle whose vertex is a point on the circle and whose sides are chords

The decimal part of the logarithm of a number

The square of the hypotenuse of a right triangle is equal to the squares of the squares of the other two sides or legs

The triangle formed inside a triangle by connecting the points where the altitudes of the triangle touches the opposite sides as drawn from each vertices

The trigonometric function equal to one minus the cosine function

Numbers between 0 and 1 have

The logarithm of 1 to the base 8 is

The logarithm of one is

The space between two lines meeting at a point called vertex

A path consisting of two or more straight lines

The longest side of a right triangle or the side opposite to the right angle.

The distance between a center and a vertex of a regular polygon.

The perpendicular bisector of a line segment

The angular distance of an astronomical body above or below an observer’s horizon.

The angle between any two radii is

Refers to a line of symmetry of a given figure

A single line which forms a tangent to two or more separate curves.

An angle that is half the straight angle

A line drawn between any two non-adjacent vertices of a polygon

The procedure for estimating intermediate value that are not listed in a table of numerical values.

The operation of root extraction

The operation of raising to an integral power x^n

A plane surface of a geometric figure

Each interior angle of an equilateral triangle is equal to

The difference between an approximate value and the true value which it approximates

A unit of angle measurement with one revolution equivalent to 400 gradians

A right triangle whose length of sides may be expressed as ratio of integral units.

A triangle with no side equal is known as

If two triangles have congruent bases, then the ratio of their areas equals the ratio of

In an isosceles right triangle, the hypotenuse is times as long as each of the legs.

Which of the following is not a secondary part of a triangle?