5.) Write the trigonometric function Sin 64° in terms of its co-function.

a) Cos (64°)

b) Cos (116°)

c) Cos (26°)

d) Cos (46°)

Question

16 September, 14:04

+5

Answers (2)

Know the Answer?

Coby Park · Answer 1

So ... sin (90-theta) = cos theta

so ... sin 64 = sin (90-26)

=>cos 26

so the answer is C

Travis Hanson · Answer 2

Cos (26)

because

Sin (x) = Cos (90 - x)

and

Cos (x) = Sin (90 - x)

5.) Write the trigonometric function Sin 64° in terms of its co-function.a) Cos (64°)b) Cos (116°)c) Cos (26°)d) Cos (46°)