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Prove that (1+tanA+cotB)•(sinA-cosB)=sinA•tanB-cotA•cosB

Prove that (1+tanA+cotB)•(sinA-cosB)=sinA•tanB-cotA•cosB

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Grade:10

1 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
Dear student

There is difference in what is written and what is attached

Considering what is attached as actually given

Consider A = 30 and B= 45

Lhs does not match with Rhs

Kindly check and repost correct question

Regards

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