Cos2theta cos theta son theta / cos theta sin theta sin 2 theta
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Step-by-step explanation:
hope you will understand
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Step-by-step explanation:
cos2A*cosA*sinA/cosA*sinA*sin2A
cosA and sinA will get cancelled.
cos2A/sin2A
Substituting formula,
What is the ans. you want according to that put formula.
cos2A=cos^2A-sin^2A
=1-2sin^2A
=2cos^2A-1
sin2A=2sinA*cosA
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