The absolute value of sin(– 870°) + cosec(– 660°) + tan(– 855°) + 2 cot (840°) + cos (480°) + sec (900°) is equal to (A) 3 (B) 1 (C) 2 (D) – 1
The absolute value of sin(– 870°) + cosec(– 660°) + tan(– 855°) + 2 cot (840°) + cos (480°) + sec (900°) is equal to (A) 3 (B) 1 (C) 2 (D) – 1