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During the 5 th lecture video of complex no. by latika leekha man she solved a question. But I am confused e isin theta is equal to the next step i have attached the image below.

During the 5th lecture video of complex no. by latika leekha man she solved a question. But I am confused eisin theta is equal to the next step i have attached the image below.

Question Image
Grade:11

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
5 years ago
Here angle is sintheta. Just write sintheta as t and rewirte expression. You will be able to understand.

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