Question

Find the value
4cot45°-sec60°+sin30°

Answer 1

Answer:

4cot45°-sec60°+sin30°

4(1)-2+1/2

4-2+1/2

2+1/2

(4+1)/2

5/2

Answer 2

Answer:

4 cot² 45 - sec² 60 + sin² 60 + cos² 90

= 4 (1)2 - (2)2 + (√3/2)2 + 0

= 4 - 4 + 3/4

= 3/4