Question

If the sin 90° is 1, then the cos ____ °= _____.

90° ; 1 over 2

0° ; square root 2 over 2

90° ; square root 3 over 2

0° ; 1

Answer 1

@rational

Answer 2

im confuzzled :D

Answer 3

Cos0 is 1

Answer 4

hint : \( \sin (90 - \theta ) = \cos (\theta)\)

Answer 5

when \(\theta =0\) :

\( \sin (90 ) = 1 = \cos (0)\)

Answer 6

thank you

Answer 7

you're welcome !