Class 11

12. Trigonometric Equations and Inequations question bank (Maths)

Practice 30 free Class 11 Maths - 12. Trigonometric Equations and Inequations questions with answers and step-by-step solutions.

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Q1.

The general value of \(\theta\) satisfying \(\sin^{2}\theta+\sin\theta=2\) is -

(A)
\(n\pi+(-1)^{n}\frac{\pi}{6},\; n\in\mathbb{Z}\)
(B)
\(2n\pi+\frac{\pi}{4},\; n\in\mathbb{Z}\)
(C)
\(n\pi+(-1)^{n}\frac{\pi}{2},\; n\in\mathbb{Z}\)
(D)
\(n\pi+(-1)^{n}\frac{\pi}{3},\; n\in\mathbb{Z}\)
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Q2.

Let \(A=\{\theta:\sin\theta=\tan\theta\}\) and \(B=\{\theta:\cos\theta=1\}\) be two sets. Then -

(A)
\(A=B\)
(B)
\(A\subset B\ \text{and}\ B-A\ne\varnothing\)
(C)
\(A\not\subset B\)
(D)
\(B\not\subset A\)
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