trigonometry

Related Questions

• $\frac{\sqrt{2}-\sin \alpha -\cos \alpha }{\sin \alpha -\cos \alpha }=$

  ---

• Maximum value of $\sin x-\cos x$ is equal to

  ---

• The value of $\cos 15{}^\circ -\sin 15{}^\circ $is equal to

  ---

• $\frac{1}{4}\left[ \sqrt{3}\cos 23{}^\circ -\sin 23{}^\circ \right]=$

  ---

• $2{{\sin }^{2}}x+{{\sin }^{2}}2x=2,\,-\pi <x<\pi ,$then $x=$

  ---