In a sin Alfa =1/2,then find the value of 3sin Alfa -4 sin cube alfa
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Given
sin α = 1/2
3sin α -4 sin³ α
=3(1/2)-4(1/2)³
=3/2-4(1/8)
=3/2-1/2
=2/2
=1
hope helped !
sin α = 1/2
3sin α -4 sin³ α
=3(1/2)-4(1/2)³
=3/2-4(1/8)
=3/2-1/2
=2/2
=1
hope helped !
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