Published by:
CGP EDU Academic Team
Published on: August 12, 2026
sin –1 
+ cos –1 
equals to :
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
( 
)
Sol. –1 ≤ 
+ 
≤ 1 represents interior and the boundary of the ellipse 
+ 
= 1 .........(i)
Also – 1 ≤ 
≤ 1
i.e. 
+ 
≥ 1 and 
+ 
≤ 3
+ 
≥ 1 represents the portion of xy plane
which contains only one point viz : 
of 
< 1
∴ sin –1 
+ cos –1 
= sin –1 
+ cos –1 
= sin –1 1 + cos –1 (– 1) = 
+ π = 
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The function , where assumes its minimum value only at one point, if . Find .
2. If be two fixed positive integers such that for all real , then is a periodic function with …
3. The domain of the function , where the symbols have their usual meanings, is the set . Find nu…
If , then . Find .
, then is equal to . Find .
Let and be the roots of , then is equal to Find .