Plzz fast i have exams
Q.
Kindly refer the similar link for your query.
https://www.meritnation.com/ask-answer/question/prove-sina-seca-2-cosa-coseca-2-2-1-seca-coseca-2here-a-thet/introduction-to-trigonometry/2764447
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https://www.meritnation.com/ask-answer/question/prove-sina-seca-2-cosa-coseca-2-2-1-seca-coseca-2here-a-thet/introduction-to-trigonometry/2764447
Regards