Tan A + cot A= 2cosec 2A prove that
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Answer:
tanA+cot
=sinA/cosA+cosA/sinA
=sin2A+cos2A/cosA×sinA (sin2A+cis2A=1)
=1/cosA×sinA
=2/2cos×sinA
=2/sinA (2cosA×sinA=sin2A)
=2cse2A
=RHS
=IHS=RHS
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