Sin)(x+30)=cos(4x-120)value of x
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heya,
cos(90°-x-30°)=cos(4x-120°)
90°+120-30°=5x
180°=5x
x=16° answer
hope it help you.
.@rajukumar.
cos(90°-x-30°)=cos(4x-120°)
90°+120-30°=5x
180°=5x
x=16° answer
hope it help you.
.@rajukumar.
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