Questions tagged 'Relation between sides and angles'

• In a triangle ABC, $a=5,b=7$ and $\sin A=\frac{3}{4}$ how many such triangles are possible
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• If in a triangle $ABC,$ $(s-a)(s-b)=s\,\,(s-c)$ , then angle C is equal to
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• In a $\Delta ABC$ , if $2s=a+b+c$ and $(s-b)(s-c)=$ $x{{\sin }^{2}}\frac{A}{2},$ then $x =$
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• If the angles of a triangle $ABC$ be in A.P., then
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• In triangle $ABC$ , $(b+c)\cos A+(c+a)\cos B$ $+(a+b)\cos C=$
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• In $\Delta ABC,\frac{\sin B}{\sin (A+B)}=$
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• In $\Delta ABC,\frac{\sin (A-B)}{\sin (A+B)}=$
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• In a $\Delta ABC$ , if ${{b}^{2}}+{{c}^{2}}=3{{a}^{2}}$ , then $\cot B+\cot C-\cot A=$
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• In a $\Delta ABC$ , if ${{c}^{2}}+{{a}^{2}}-{{b}^{2}}=ac$ , then $\angle B=$
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles
• In $\Delta ABC,\left( \cot \frac{A}{2}+\cot \frac{B}{2} \right)\,\left( a{{\sin }^{2}}\frac{B}{2}+b{{\sin }^{2}}\frac{A}{2} \right)$ =
  Category: trigonometry | Tags: Relation between sides and angles, Solutions of triangles

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