Question

25 in 30° -3cos45 + tan 60.​

Answer 1

Answer:

correct question → 2sin30° -3cos45° +tan60°

we know

sin30° = ½

cos45° = 1/√2

tan60° = √3

putting these values in the expression

$2 \times \frac{1}{2} - (3 \times \frac{1}{ \sqrt{2} } ) + \sqrt{3} \\ = 1 - \frac{3}{ \sqrt{2} } + \sqrt{3} \\ = \frac{ \sqrt{2} - 3 + \sqrt{6} }{ \sqrt{2} }$

this is the answer.

I hope it will help you.