Question

2 Cos’90° +4 Cos? 45°
13. Find the value of 2 Cosec 30° - Cot 45°​

Answer 1

Answer:

12) cos90 + 4cos45 = 0 + 4/√2 = 4√2/2 = 2√2

13) 2cosec30-cot45 = 2*2-1 = 3 ans