Question

In a anglePQR, right angled at Q,PR=29 units, QR=21 units and angleR =∅, then determine the value of I) cos^2∅+sin^2∅. ii) sec^2∅-tan^2∅. iii) cos^2-sin^2∅. iv)cosec^2∅-cot^2∅

Answer 1

Answer:

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