trigonometry

Related Questions

• The roots of the equation $1-\cos \theta =\sin \theta .\sin \frac{\theta }{2}$ is

  ---

• If $A+B+C={{180}^{o}},$ then the value of $\cot \frac{A}{2}+\cot \frac{B}{2}+\cot \frac{C}{2}$ will be

  ---

• The most general value of $\theta $satisfying the equations $\sin \theta =\sin \alpha $and $\cos \theta =\cos \alpha $is

  ---

• If $\tan \theta =t,$then $\tan 2\theta +\sec 2\theta =$

  ---

• In a right triangle $AC=BC$ and D is the mid point of AC cotangent of angle $DBC$ is equal to

  ---