Question

Write the expression as the sine, cosine, or tangent of an angle.

cos 94° cos 37° + sin 94° sin 37°

Answer 1

@dumbcow

Answer 2

@mathstudent55

Answer 3

@RadEn

Answer 4

\[\cos(a-b) = \cos a \cos b + \sin a \sin b\]

Answer 5

sin57

Answer 6

right?

Answer 7

@dumbcow

Answer 8

um no, did you misread the identity i posted
check it again

Answer 9

ohh cos57

Answer 10

haha yep :)