For an acute angle in a right triangle,

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

Problem

For an acute angle θ\theta in a right triangle, sin⁡θ=35\sin\theta = \dfrac{3}{5}. Without using a table, determine: (i) cos⁡θ\cos\theta (ii) tan⁡θ\tan\theta (iii) sec⁡θ\sec\theta

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