Question

4cos2 30° - 5Sin 90°÷ 6sec2 30° +2 cos 90°​

Answer 1

Answer:

question ----. 4×cos2(30°) - 5Sine90°÷ 6sec2(30°) + 2cos90°

solution-

Step-by-step explanation:

= 4×cos60° - 5×1 ÷ 6sec60° + 2× 0

= 4×1/2 - 5÷(6×2)

= 2 - 5/12

= 19/12