(a) Evaluate \sin ^{-1} ( \sin \frac{3 \pi}{4}) +\cos ^{-1}(\cos \pi)+\tan ^{-1}(1) OR (b) Draw the graph of \cos ^{-1} x, where x \in[-1,0]. Also, write its range.

CBSE Class 12 Math 2023 Outside Delhi Set 1 Solved Paper

SECTION - B

This section comprises Very Short Answer Type questions (VSA) of 2 marks each.

Question : 21 of 38

Marks: +1, -0

(a) Evaluate

sin \;^{-1} ( sin \;\;{3 π}/{4}) +\cos ^{-1}(\cos π)+\tan ^{-1}(1)

OR
(b) Draw the graph of

\cos ^{-1} x

, where

x ∈[-1,0]

. Also, write its range.

Solution:

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