Question

I don't understand this, can someone please help me?​

Answer 1

A cos 60
B sin 45
C cos 70
D son 35
E sin 10

You use the identities
Sin A = cos(90-A) and
Cos A = sin(90-A)

Answer 2

Answer: You'll have to plug each function into a calculator and match the corresponding ones with each other.

for example Sin45° = B cos 45°

Explanation: