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

  ---

• Period of $\cos (7x-5)$ is

  ---

• If in a triangle ABC side $a=(\sqrt{3}+1)$ cms and $\angle B={{30}^{o}},$ $\angle C={{45}^{o}}$ , then the area of the triangle is

  ---

• $\sin 50{}^\circ -\sin 70{}^\circ +\sin 10{}^\circ =$

  ---

• If $x{{\sin }^{3}}\alpha +y{{\cos }^{3}}\alpha =\sin \alpha \cos \alpha $ and $x\sin \alpha -y\cos \alpha =0,$ then ${{x}^{2}}+{{y}^{2}}=$

  ---