Exact Trig Values Test Practice

Front

What is the value of csc 225˚?

Back

csc 225˚ = -\sqrt{2}

Front

What is sec(-60˚)?

Back

sec(-60˚) = 2

Front

What is sin(7π/4)?

Back

sin(7π/4) = -\frac{\sqrt{2}}{2}

Front

What is the value of sec(π)?

Back

sec(π) = -1

Front

What is sec(-π)?

Back

sec(-π) = -1

Front

Define cosecant (csc).

Back

Cosecant is the reciprocal of sine: csc(θ) = 1/sin(θ).

Front

Define secant (sec).

Back

Secant is the reciprocal of cosine: sec(θ) = 1/cos(θ).

Front

What is the relationship between sine and cosine in a right triangle?

Back

In a right triangle, sin(θ) = opposite/hypotenuse and cos(θ) = adjacent/hypotenuse.

Front

What is the unit circle?

Back

The unit circle is a circle with a radius of 1 centered at the origin of a coordinate plane, used to define trigonometric functions.

Front

What are the exact values of sin(0), cos(0), and tan(0)?

Back

sin(0) = 0, cos(0) = 1, tan(0) = 0.