Math, asked by Anonymous, 1 year ago

Find the value of cos 42degree-sin 48degree.

Answers

Answered by Anonymous

1

Step-by-step explanation:

So

cos48-sin42

=cos48-cos48 (using sinx=cos(90-x))

=0

Answered by Anonymous

3

SOLUTION ☺️

=) cos 42° - sin 48°

=) cos (90°- 48°) - sin 48°

=) sin (48°) - sin 48° [cos (90-theta)=sin theta]

=) 0

hope it helps ✔️

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