trigonometry

Related Questions

• If $x=a{{\cos }^{3}}\theta ,y=b{{\sin }^{3}}\theta ,$then

  ---

• If $\cos 2\theta =(\sqrt{2}+1)\,\,\left( \cos \theta -\frac{1}{\sqrt{2}} \right)$, then the value of $\theta $is

  ---

• If $12{{\cot }^{2}}\theta -31\,\text{cosec }\theta +\text{32}=\text{0}$, then the value of $\sin \theta $ is

  ---

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

  ---

• If $\tan \theta -\sqrt{2}\sec \theta =\sqrt{3}$, then the general value of $\theta $ is

  ---