Question

evaluate. cos 48°_sin 42°​

Answer 1

Answer:

cos 48 = sin (90- 48)

= sin 42

sin 42° - sin 42° = 0 is the answer dear friend.....

HOPE U ARE SATISFIED WITH THE ANSWER....!!

Answer 2

Answer:

cos48°-cos(90-42°)

=cos48°-cos48°

=0