Question

Complete the Identity.

sin C tan C= ?



a) 1 - cos² C∖ cos C

b) 2 - sec C csc C<

c) cot C sin C

d)1 - 2sin² C

e)csc² C sec² C

Answer 1

sin C tan C
=sin C /sin C cos C
=sin^2 C/cos C
=( 1-cos^2 C ) /cos C