Question

Which is smaller sin 64° or cos 64°
​

Answer 1

Answer:

0

Step-by-step explanation:

cos 64×cos 26- sin 64×sin 26

:.cos(90-A)= Sin A

cos 64= Sin(90-64)

Cos 64= Sin 26

Sin 64= Cos 26

hence,

sin 26× Cos 26- Cos26×Sin 26

=0