Trigonometric Functions and Laws
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What basic trigonometric concepts are necessary to solve the quiz questions?
Sine and cosine laws
Pythagorean theorem
Basic algebra
Calculus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric ratio is used to find the hypotenuse in a right triangle?
Sine
Cosine
Tangent
Secant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the length of a side using the sine law?
By using the cosine of the angle
By using the tangent of the angle
By using the ratio of the side to the sine of its opposite angle
By using the Pythagorean theorem
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for cosine law?
tan(A) = opposite/adjacent
a/sin(A) = b/sin(B)
a^2 = b^2 + c^2 - 2bc cos(A)
a^2 + b^2 = c^2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can be used to find the length of a side in a triangle when two angles and one side are known?
Cosine law
Sine law
Tangent ratio
Pythagorean theorem
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you evaluate sine of an angle using a calculator?
By using the reciprocal of cosine
By using the tangent function
By entering the angle and pressing the sine button
By using the inverse sine function
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which quadrants is the sine function positive?
Quadrants I and IV
Quadrants III and IV
Quadrants II and III
Quadrants I and II
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