NCERT Class 12-Mathematics: Chapter –2 Inverse Trigonometric Function Part 9

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Question 5:

Find the value of

Answer:

We have:

[As we know that the range of the principal value branch of is ]

Hence, the value of is .

Question 6:

Show that

Answer:

LHS

Question 7:

Find the real solution of the equation

Answer:

Given that

Question 8:

Find the value of the expression

Answer:

Given that