Write the expression in terms of its cofunction.
-sin 5.1°
A)cos 95.1°
B)cos 84.9°
C)cos 5.1°
D)cos 85.9°

Name: Write the expression in terms of its cofunction. -sin 5.1° A)cos 95.1° B)cos 84.9° C)cos 5.1° D)cos 85.9°
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Question

Quizplus · Accepted Answer

The cofunction of sine is cosine, and the relationship between the angles of sine and cosine is given by sin(θ) = cos(90° - θ). Therefore, sin(5.1°) = cos(90° - 5.1°) = cos(84.9°).

Write the Expression in Terms of Its Cofunction