Trigonometry Core Concepts 2

Question 1

What is the reciprocal of the sine function?

Accepted Answer

Cosecant

Answer

Secant

Answer

Cotangent

Answer

Cosine

Question 2

In a right triangle, if the opposite side is 5 and the hypotenuse is 13, what is sin(θ)?

Accepted Answer

5/13

Answer

12/13

Answer

5/12

Answer

13/5

Question 3

What is the period of the function f(x) = cos(x)?

Accepted Answer

2π

Answer

π

Answer

π/2

Answer

4π

Question 4

Which quadrant contains an angle where sin > 0 and cos < 0?

Accepted Answer

Quadrant II

Answer

Quadrant I

Answer

Quadrant III

Answer

Quadrant IV

Question 5

What is tan(45°)?

Accepted Answer

1

Answer

√2

Answer

√3/2

Answer

0

Question 6

How many radians are in 180 degrees?

Accepted Answer

π

Answer

2π

Answer

π/2

Answer

π/4

Question 7

What is the value of cos(0°)?

Accepted Answer

1

Answer

0

Answer

-1

Answer

√2/2