Question

Q2 . Tan2 60° +3cos2 30° is... *

2 points

17/4

4/21

12/4

21/4

​

Answer 1

Answer:

d)21/4

Step-by-step explanation:

(√3)^2 + 3×(√3/2)^2

= 3 + 3×3/4

= 3 + 9/4

now ,LCM

= 3/1 + 9/4

= (3/1)^4 + (9/4)^1

= 12/4 + 9/4

= 12+9/4

= 21/4

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