Math, asked by sxmi185, 8 months ago

answer in reference to the given image

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Answered by rimimandal697

0

Answer:

(sinQ-2sin^3Q)/ (2cos^3Q-cosQ)

=sinQ(1-2sin^2Q)/cosQ(2cos^2Q-1)

=tanQ(cos2Q)/cos2Q

=tanQ (proved)

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