$\Delta ABC$ માં,$a(b\cos C - c\cos B) = $

  • A
    $a^2 - b^2$
  • B
    $b^2 - c^2$
  • C
    $c^2 - a^2$
  • D
    $a^2 + b^2 + c^2$

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Similar Questions

$\triangle ABC$ માં,પદ $\frac{\cos C+\cos A}{c+a}+\frac{\cos B}{b}$ ની કિંમત શોધો.

ત્રિકોણ $ABC$ માં,$l(AB)=\sqrt{23}$ એકમ,$l(BC)=3$ એકમ,$l(CA)=4$ એકમ હોય,તો $\frac{\cot A+\cot C}{\cot B}$ ની કિંમત શોધો.

$\Delta ABC$ માં,$({b^2} - {c^2})\cot A + ({c^2} - {a^2})\cot B + ({a^2} - {b^2})\cot C = $

જો $\triangle ABC$ માં,$\tan \frac{A}{2} = \frac{5}{6}$ અને $\tan \frac{C}{2} = \frac{2}{5}$ હોય,તો $a, b, c$ એ રીતે છે કે:

જો $\Delta ABC$ માં $a = 2, b = 3, c = 5$ હોય,તો $C = $

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