Math, asked by burritoyum, 3 months ago

cosec2A - cot2A = tanA

Answers

Answered by aashi369

0

Answer:

kindly post full questions

Answered by tinkik35

0

Step-by-step explanation:

cosec2a – cot2a = tana

lhs= 1/sin2a – cos2a/sin2a

=1-cos2a/sin2a

cos2a = 1-2sin2a &

sin2a =2sinacosa ,

by using these

lhs= [1- (1-2sin2a)]/2sinacosa

=2sin2a/2sinacosa=sina/cosa

=tana = rhs

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