trigonometry

Related Questions

• In triangle$ABC$ if $A+C=2B$ , then $\frac{a+c}{\sqrt{{{a}^{2}}-ac+{{c}^{2}}}}$ is equal to

  ---

• Let D be the middle point of the side BC of a triangle ABC. If the triangle ADC is equilateral, then ${{a}^{2}}:{{b}^{2}}:{{c}^{2}}$ is equal to

  ---

• If $b=3,c=4$ and $B=\frac{\pi }{3}$ , then the number of triangle that can be constructed is

  ---

• If $\frac{1-\cos 2\theta }{1+\cos 2\theta }=3$, then the general value of$\theta $ is

  ---

• If in a triangle $ABC$ , $\angle C={{60}^{o}},$ then $\frac{1}{a+c}+\frac{1}{b+c}=$

  ---