Question
Mathematics Question on Trigonometric Identities
If α+β+γ=2π, then the value of cot2αcot2β+cot2αcot2γ+cot2βcot2γ is
A
0
B
1
C
2π
D
3π
E
21
Answer
1
Explanation
Solution
The correct option is (B): 1
If α+β+γ=2π, then the value of cot2αcot2β+cot2αcot2γ+cot2βcot2γ is
0
1
2π
3π
21
1
The correct option is (B): 1