trigonometry

Related Questions

• $\tan \theta \sin \left( \frac{\pi }{2}+\theta \right)\cos \left( \frac{\pi }{2}-\theta \right)=$

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• If $A={{30}^{o}},c=7\sqrt{3}$ and $C={{90}^{o}}$ in $\Delta ABC$ , then $a =$

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• Two pillars of equal height stand on either side of a roadway which is 60 metres wide. At a point in the roadway between the pillars, the elevation of the top of pillars are 60° and 30°. The height of the pillars is

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• If the sides of a triangle are $3,\ 5,\ 7,$ then

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• In a $\Delta ABC$ , if $2s=a+b+c$ and $(s-b)(s-c)=$ $x{{\sin }^{2}}\frac{A}{2},$ then $x =$

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