PDF chapter test TRY NOW
i. \(\frac{cos A – sin A + 1}{cos A + sin A – 1} = cosec A + cot A\) using the identity \(cosec^2A = 1 + cot^2A\)
ii. \(\sqrt{\frac{1 + sin A}{1 – sin A}} = sec A + tan A\)
Important!
This is a creative exercise. Your teacher will check it manually.
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