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In a triangle ! ABC, a^2cos^2A=b^2+c^2 t...

In a triangle ! ABC, a^2cos^2A=b^2+c^2 then

A

`0ltAltpi/4`

B

`pi/4ltAltpi/2`

C

`pi/2ltAltpi`

D

`A=pi/2`

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To solve the problem, we are given the equation in triangle ABC: \[ a^2 \cos^2 A = b^2 + c^2 \] We need to analyze this equation step by step. ### Step 1: Rewrite the equation We start with the given equation: ...
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OBJECTIVE RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Section I - Solved Mcqs
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