Question

6 cot² A – 6 cosec² A - 1 is equal to
(A) 6
(B)-6
(C)7
(D)-7​

Answer 1

Answer:

the answer is d -7

because plus×minus is minus

so it is -6 and -1+-6 equal to -7

so option d is correct

Answer 2

Answer:

(D) -7

Step-by-step explanation:

6 cot2A -6cosec2A -1

6(cot2A - cosec2A ) -1

6×(-1) -1

-6 -1

-7