FIND THE VALUES OF TRIGNOMETRIC FUNCTIONS USING UNIT CIRCLE WORKSHEET

Solve the following problems using unit circle.

Problem 1 :

cos (π/4)

Problem 2 :

cos 135

Problem 3 :

sin 5π/6

Problem 4 :

sin (-π/3)

Problem 5 :

tan 135

Problem 6 :

cos (-120)

Problem 7 :

tan (3π/2)

Problem 8 :

sin (-π/4)

Problem 1 :

Find the exact value of cos (7π/4)

Solution

Problem 2 :

Find the exact value of sin (-30°)

Solution

Problem 3 :

Find the exact value of cos (600°)

Solution

Problem 4 :

Find the exact value of sin (9π/2)

Solution

Problem 5 :

Find the exact value of tan (585°)

Solution

Problem 6 :

Find the exact value of cos (23π/6)

Solution

Problem 7 :

Find the exact value of cos (-11π/4)

Solution

Problem 8 :

Find the exact value of sin (-13π/4)

Solution