AP EAMCET · Maths · Inverse Trigonometric Functions
If , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
We have, tan-111+1.2=tan-12-11+1.2 Now, using the formula tan-1x-tan-1y=tan-1x-y1+xy, xy>-1 We get, tan-111+1.2=tan-12-tan-11 Similarly, tan-111+2.3=tan-13-tan-12 and tan-111+n(n+1)=tan-1n+1-tan-1n…
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