Question

(ii) Cos 48" - Sin 42​

Answer 1

Answer:

Cos 48 - Sin 42

= Cos (90 - 42) - Sin 42

= Sin 42 - Sin 42

= 0

Hope it helps.

Please mark as brainliest.

Answer 2

Answer:

cos 48*-sin 42*

cos (90*-42*) - sin 42*

sin42*- sin42*

0