Math, asked by janhviRastogi, 1 month ago

the are in the angles of triangle trei ongle ACB are in ratio ol 1: 13 2 respectively respectively, then find the value of cos A cos B - sinA sin B a) 1 c) o d) con not be determined

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Answered by manishmourya087

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the are in the angles of triangle trei ongle ACB are in ratio ol 1: 13 2 respectively respectively, then find the value of cos A cos B - sinA sin B a) 1 c) o d) con not be determined​

Answers

the are in the angles of triangle trei ongle ACB are in ratio ol 1: 13 2 respectively respectively, then find the value of cos A cos B - sinA sin B a) 1 c) o d) con not be determined