Class 11

Trigonometrical Ratios, Functions and Identities question bank (Maths)

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Q1.

The value of $\text{sech}(i\pi)$ is

(A)
$-1$
(B)
$i$
(C)
$0$
(D)
$1$
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Q2.

Which of the following statements is incorrect?

(A)
$\sin \theta = -\frac{1}{5}$
(B)
$\cos \theta = 1$
(C)
$\sec \theta = \frac{1}{2}$
(D)
$\tan \theta = 20$
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