NCERT Class 12-Mathematics: Chapter –2 Inverse Trigonometric Function Part 2
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Question 2:
Evaluate .
Answer:
Question 3:
Find the value of .
Answer:
Question 4:
Find the value of
Answer:
Question 5:
Evaluate .
Answer:
Since , .
Question 6:
Evaluate: .
Answer:
.
Question 7:
Evaluate:
Answer:
Question 8:
Prove that tate with reason whether the equality is valid for all values of .
Answer:
Let Then
Or,
So
The equality is valid for all values of since and are true for .
Question 9:
Find the value of
Answer:
Let where . So,
Which gives
Therefore,
Question 10:
Find value of and hence evaluate
Answer:
Let , then , where
Therefore,
Question 11:
Find the value of
Answer:
Let . Then
Now
Question 12:
Evaluate
Answer: