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Sign of Trigonometric Ratios in Different Quadrants

31 In triangl...

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31 In triangle ABC, ANGLE A=90^°,AL IS PERPENDICULAR TO BC. PROVE THAT ANGLE BAL = ANGLE ACB

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Q. In a triangleABC, A is right angle. L is a point on BC such that AL perpendicular on BC. Prove angleBAL= angleACB.

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