Math, asked by sawadatkaranil, 10 months ago

sin @/1+cos e + 1+cos/sine=2 cosec

Answers

Answered by sandy1816

4

Step-by-step explanation:

sin/1+cos + 1+cos/sin

=sin²+(1+cos)²/sin(1+cos)

=sin²+1+cos²+2cos/sin(1+cos)

=2+2cos/sin(1+cos)

=2/sin

=2cosec

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