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Direction : Two statements are given one labelled Assertion (A) and the other labelled Reason (R). Select the correct an…

Q1

Direction : Two statements are given one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the following options :
Assertion (A) : Domain of \(\mathrm{y}={\cos }^{-1}(\mathrm{x})\) is \([-1,1]\).
Reason (R) : The range of the principal value branch of \(\mathrm{y}={\cos }^{-1}(x)\) is \([0,\pi ]-\left{\frac{\pi }{2}\right}\).

a

Both Assertion (A) and Reason (R) are true and the Reason (R) is the correct explanation of the Assertion (A).

b

Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of the Assertion (A).

c

Assertion (A) is true, but Reason (R) is false.

d

Assertion (A) is false, but Reason (R) is true.

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