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Scrat [10]
3 years ago
6

Which is equal to sin 36°? A) sin 54° B) sin 64° C) cos 54° D) cos 64°

Mathematics
2 answers:
Soloha48 [4]3 years ago
7 0

The sine of an angle is equal to the cosine of its complement, and the complement of 36° is 90° – 36° = 54°. Therefore, cos 54° is equal to sin 36°.

Rudiy273 years ago
5 0
Remember, sin(|x|)=cos(|90-x|)
so sin(|36|)=cos(|90-36|)=cos(|54|)=cos(54)

answer is C
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