Math, asked by puppyma6827, 6 months ago

Cos 42 cos 12 + sin 42 sin 12

Answers

Answered by gopikalu624
2

Step-by-step explanation:

Cos 42 °cos 12 °+ sin 42 °sin 12°

=cos(42-12)°

=cos30°

=√3/2

Similar questions