Question

Find X
4X = cos2 30°tan2 30° tan2 45°​

Answer 1

`x = (1)/(16)\\`

Explanation:

`4x = {\cos}^(2)(30°){\tan}^(2)(30°){\tan}^(2)(45°) \\ 4x = ((√(3))/(2))^(2)((1)/(√(3)))^(2)(1)^2 \\ 4x = ((3)/(4))((1)/(3))(1) \\ 4x = (3)/(12) \\ 4x = (1)/(4) \\ x = (1)/(16)`