RRB NTPC · Question 58
The value of 4 sin^230° + 3 cot^260° - 2 tan^245° is:
Show answer & explanation
Answer: (C) 0
Explanation
sin 30° = 1/2, cot 60° = 1/√3 and tan 45° = 1. So 4 × 1/4 + 3 × 1/3 − 2 × 1 = 1 + 1 − 2 = 0.
Railways PYQCBT 1 2020
RRB NTPC · Question 58
Answer: (C) 0
sin 30° = 1/2, cot 60° = 1/√3 and tan 45° = 1. So 4 × 1/4 + 3 × 1/3 − 2 × 1 = 1 + 1 − 2 = 0.