Recommended Questions
- If sinx+sin^2x=1 then cos^2x+cos^4x
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- If |[sin2x,cos^2x,cos4x],[cos^2x,cos2x,sin^2x],[cos^4x,sin^2x,sin2x]|=...
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- Prove that ( " cos " 4x + " cos " 3x + " cos " 2x)/(" sin " 4x + ...
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- (cos 4x +cos 3x + cos 2x)/(sin 4x + sin 3x +sin 2x) = cot 3x
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- If (cos^4x)/(cos^2y)+(sin^4x)/(sin^2y)=1,"show taht", (cos^4y)/(cos^2x...
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- (i) int 1/ (cos^4x+sin^4x)dx (ii) int 1/(sin^4x+sin^2x cos^2x+cos^4x...
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- cos^4x/cos^2y + sin^4x/sin^2y = 1 হলে দেখাও যে cos^4y/cos^2x+ sin^4y/s...
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- (cos 4x +cos 3x + cos 2x )/( sin 4x + sin 3x + sin 2x)= cot 3x
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- (cos 4x +cos 3x + cos 2x )/( sin 4x + sin 3x + sin 2x)= cot 3x
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