, and are three angles given by =2 ^ -1 ( 2-1), =3 ^ -1 1 2 + ^ -1 (- 12 ) and = ^ -1 13. Then

JEE Advanced Mathematics question

and are three angles given by

α=2(2-1), β=3+(-12) and γ=13.

Then

Answer: (B),(C)

, so . , an angle in the second quadrant. : since

Create a free account to read the complete working (2 steps), and practise questions like this in a timed test.

Question ID VK-108637