12 उत्तर
12 उत्तर
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sinx+sin2x=1
or, sin x+2sinx cosx=1
or, sinx(1+2cosx)=1
or, (1-2cosx)(1+2cosx)=1
or, 1-4cos x^2=1
or, -4cos x^2=0
or, cosx x^2=0
or, cos x=0
or, cos x=cos 90
or, x=900Modal content
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900Modal content
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X=90°0Modal content
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Its 90 in degrees0Modal content
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x=900Modal content
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900Modal content
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901Modal content
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Sin x+2sinx cosx=1 Sinx(1+2cosx)=1 (1-2cosx)(1+2cosx)=1 1-4cos^2 x=1 cos x=0 x=901Modal content
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x will be equal to 90'-1Modal content
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x will be equal to 90'-1Modal content
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90 or pi/20Modal content
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90///pie÷20Modal content
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