Find the exact value of the expression. sin 330 ° - cos 300 ° tan 315°
A)-0.5
B)-1
C)0
D)0.5
E)0.25

Name: Find the exact value of the expression. sin 330 ° - cos 300 ° tan 315° A)-0.5 B)-1 C)0 D)0.5 E)0.25
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Question

Quizplus · Accepted Answer

sin 330 ° - cos 300 ° tan 315° = sin (360 ° - 30 °) - cos (360 ° - 60 °) tan (360 ° - 45 °)= - sin 30 ° - (- cos 60 °) (- tan 45 °)= - 1/2 - (- 1/2) (- 1)= - 1/2 + 1/2= 0

Find the Exact Value of the Expression