trigonometry

Related Questions

• The number of values of $\theta $ in $[0, 2\pi ]$ satisfying the equation $2{{\sin }^{2}}\theta =4+3 \cos \theta $ are

  ---

• If $a=2,b=3,c=5$ in $\Delta ABC$ , then $C =$

  ---

• If $x+y+z={{180}^{o}},$ then $\cos 2x+\cos 2y-\cos 2z$ is equal to

  ---

• The area of an isosceles triangle is $9c{{m}^{2}}$. If the equal sides are $6cm$ in length, the angle between them is

  ---

• If angles of a triangle are in the ratio of $2 : 3: 7$, then the sides are in the ratio of

  ---