trigonometry

Related Questions

• If $\sin 5x+\sin 3x+\sin x=0$, then the value of x other than 0 lying between $0\le x\le \frac{\pi }{2}$ is

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• If $y=(1+\tan A)(1-\tan B)$ where $A-B=\frac{\pi }{4}$, then ${{(y+1)}^{y+1}}$ is equal to

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• $\tan A+\cot (180{}^\circ +A)+\cot (90{}^\circ +A)+\cot (360{}^\circ -A)$

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• If $\cos A=\frac{3}{4}$, then $32\sin \frac{A}{2}\cos \frac{5}{2}A=$

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• If the sides of the triangle are $5K,\ 6K,\ 5K$and radius of incircle is 6 then value of K is equal to

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