Question

If the sin 30° = , then the cos 60° = _____.

Answer 1

you didnt say anything,you just put = sign

Answer 2

\[\sin 30=t\]

\[\cos 60=\sin (90-60)=\sin 30=t\]

Answer 3

because
SIN A = COS(90 - A)
COS A = SIN(90 - A)

Answer 4

Oh sorry! it's = 1/2

Answer 5

@jdoe0001