For , the expression simplifies…

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

For 0∘<θ<90∘0^\circ<\theta<90^\circ, the expression 1−sin⁡2θ1+tan⁡2θ\dfrac{1-\sin^2\theta}{1+\tan^2\theta} simplifies to (a) 1 (b) cos⁡4θ\cos^4\theta (c) sin⁡2θ\sin^2\theta (d) cos⁡2θ\cos^2\theta

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