In ΔABC if Sin A = 9/15 then Cosec2 A – Cot2 A =
A) 1
B) -1
C) 2
D) 3
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In ΔABC if Sin A = 9/15 then Cosec2 A – Cot2 A =
A) 1
B) -1
C) 2
D) 3
In ΔABC if Sin A = 9/15 then Cosec2 A – Cot2 A =
A) 1
B) -1
C) 2
D) 3
Correct option is: A) 1
\(cosec^2 A – cot^2A = 1 \) for any value of A except those values where sin A = 0
Here, sin A = \(\frac 9{15} \neq 0\)
\(\therefore\) \(cosec^2 A – cot^2A = 1 \)
Correct option is: A) 1