Math, asked by pokhrelganesh100, 1 month ago

sin2A-cosA/1-sinA-cos2A=cotA

Answers

Answered by shivangirairai1

3

Step-by-step explanation:

Formula Sin2A=2sinACosA

Cos2A=1-2sin*2

L. h. s

sin2A-cosA/1-SinA-Cos2A

2SinACosA-cosA/1-SinA-(1-2sin*2A)

cosA(2sinA-1)/1-SinA-1+2sin2*A

cosA(2sinA-1)/sinA(2sinA-1)

cosA/SinA=CotA

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