Question

Sin-2sin³/2cos³- cos

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

hi..

Step-by-step explanation:

the ans is tanA..

SinA-2sin³A/2cos³A- cosA

SinA(1-2sin^2A)/(2cos^2A- 1)cosA

then, cancel (1-2sin^2A)/(2cos^2A- 1)

u will get sinA/cosA=tanA