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

Naperian logarithms have a base closest to which number?

The logarithm of 1 to any base is

Sin (270° + ß) is equal to

The sum of the angles in an octant spheric triangle

The median of a triangle is the line connecting the vertex and the midpoint of the opposite side. For 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 is 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 logarithm of the reciprocal of N is called the ______ of N

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_ab 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

The mantissa of a logarithm is a

For 0 < 0 < 1, ln x is

If 1 < N < 10, then

To change log_a to log_b N, multiply 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 the quotient is the ____ of the logarithms

When the logarithm is expressed as a 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 log₁₀) is called common 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 of 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 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 a 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?

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

Given the sides of a triangle as 3m and 5m. 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. 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 the 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 poles 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 statue mile

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

The earth is divided into how many 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 if 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 called 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