In △PQR, right-angled at R, the lengths PR = 9 cm and QR = 12 cm are given. Identify…

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

In △PQR, right-angled at R, the lengths PR = 9 cm and QR = 12 cm are given. Identify the trigonometric ratio you would use to calculate ∠P and briefly state why this ratio is appropriate.

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