Question

what is the value of the expression:
3tan² 60°/ 4sin² 30° sec² 60° + 5 cot² 45°?
a) 1/2 b) 2/3 c) 1 d) ​

Answer 1

Answer:

c) 1

Step-by-step explanation:

3tan² 60°/ 4sin² 30° sec² 60° + 5 cot² 45°

= 3(√3×√3)/4(1/2 × 1/2)×(2×2)+5(1×1)

= 3×3 / 4(1/4)(4)+5

= 9 / 4+5

= 9/9

= 1

Hope it helps you:)