Use an identity to write the expression as a single trigonometric function or as a single number.
-sin (3ϴ - 17°)= cos (ϴ + 43°)
A)ϴ = 90°
B)ϴ = 6°
C)ϴ = 16°
D)ϴ = 10°

Name: Use an identity to write the expression as a single trigonometric function or as a single number. -sin (3ϴ - 17°)= cos (ϴ + 43°) A)ϴ = 90° B)ϴ = 6° C)ϴ = 16° D)ϴ = 10°
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Question

Quizplus · Accepted Answer

Using the identity sin(x) = cos(90° - x), we equate 3ϴ - 17° to 90° - (ϴ + 43°), solving gives ϴ = 16°.

Use an Identity to Write the Expression as a Single