Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Prove that
(i) sin–1 
+ sin–1 
= sin–1 
(ii) tan–1 
+ sin–1 
= cos–1 
(iii) sin–1 
+ cot–1 3 = 
(iv) tan–1 
+ tan–1 
+ tan–1 
+ tan–1 
= 
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(i)sin–1 
+ sin–1 
= sin–1 
= sin–1 
(ii)tan–1 
+ tan 
= tan–1 
= tan–1 
= cos–1 
(iii)sin–1 
+ cot–1 3 = sin–1 
+ sin–1 
= sin–1 
= sin–1 
= 
(iv)tan–1 
+ tan–1 
+ tan–1 
+ tan–1 
= tan–1 
+ tan–1 
= tan–1 
= tan–1 
= tan–1 
= tan–1 (1) = 
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