PDF chapter test TRY NOW
i. \((sin A + cosec A)^2 + (cos A + sec A)^2 = 7 + tan^2A + cot^2A\)
ii. \((cosec A – sin A)(sec A – cos A) =\frac{1}{tan A + cot A}\)
Important!
This is a creative exercise. Your teacher will check it manually.
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