Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.
-cot 31.1°
A)tan 31.1°
B)tan 148.9°
C)cot 58.9°
D)tan 58.9°

Name: Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle. -cot 31.1° A)tan 31.1° B)tan 148.9° C)cot 58.9° D)tan 58.9°
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Question

Quizplus · Accepted Answer

The cofunction identity for cotangent and tangent is cot(θ) = tan(90° - θ). Therefore, cot(31.1°) = tan(90° - 31.1°) = tan(58.9°).

Write the Function in Terms of Its Cofunction