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Sin A + Cos B = 1, A = 30° and B is an acute angle, then find the value of B.

sin A + cos B = 1, A = 30 and B is acute angle, then find value of B

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Question 12 sin A + cos B = 1, A = 30° and B is an acute angle, then find the value of B.Given sin A + cos B = 1 Putting A = 30° sin 30° + cos B = 1 𝟏/𝟐 + cos B = 1 cos B = 1 − 1/2 cos B = 1/2 cos B = cos 60° Thus, B = 60°

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.