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If sin α = 1/2 prove that ( 3 cos α - 4 cos^2 α ) = 0
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Jan 21, 2019
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Class 10
by
kratos
If sin α = 1/2 prove that ( 3 cos α - 4 cos2 α ) = 0
class-8
class-10
trigonometric ratios
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+4
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answered
Feb 27, 2020
by
kratos
Best answer
LHS = ( 3 cos α - 4 cos2 α )
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