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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 10341 Points
one year 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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