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If angle A and angle B are acute angles such that cos A=cos B, then show that angle A = angle B

Posted by Khushi Agarwal 4 years ago

CBSE > Class 10 > Mathematics

2 answers

Noni Jain 4 years ago

According to the question:- Let cosA= Hypotenuse sideadjacentA AB AC Similarly, cosB= Hypotenuse sideadjacentB = AB BC Given that cosA=cosB AB AC = AB BC AC=BC In triangle, angles opposite equal side are equal ∠B=∠A

0Thank You

Pushprajsinh Rathod 4 years ago

Isme Cos A = Cos B given hai Cos done side se cut ho jayega.. Isliye angle A = angle B Hence proved

1Thank You

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CBSE > Class 10 > Mathematics

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CBSE > Class 10 > Mathematics