trigonometry

Related Questions

• If $A=130{}^\circ $and $x=\sin A+\cos A,$then

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• In triangle ABC, $A={{30}^{o}},b=8,a=6$ , then $B={{\sin }^{-1}}x$ , where $x =$

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• ${{\sin }^{2}}\frac{\pi }{8}+{{\sin }^{2}}\frac{3\pi }{8}+{{\sin }^{2}}\frac{5\pi }{8}+{{\sin }^{2}}\frac{7\pi }{8}=$

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• If the sides of a triangle are p,q and$\sqrt{{{p}^{2}}+pq+{{q}^{2}}}$ , then the biggest angle is

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• $\frac{\cos 9{}^\circ +\sin 9{}^\circ }{\cos 9{}^\circ -\sin 9{}^\circ }=$

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