Question

The value of 2 cos 45 cos 30 is

Answer 1

SOLUTION

TO DETERMINE

The value of 2 cos 45° cos 30°

EVALUATION

$\sf{2 \cos {45}^{ \circ} \cos {30}^{ \circ} }$

$\displaystyle \sf{ = 2 \times \frac{1}{ \sqrt{2}} \times \frac{ \sqrt{3} }{2} }$

$\displaystyle \sf{ = \frac{ \sqrt{3} }{ \sqrt{2}} }$

$\displaystyle \sf{ = \frac{ \sqrt{3} \times \sqrt{2} }{ \sqrt{2} \times \sqrt{2} } }$

$\displaystyle \sf{ = \frac{ \sqrt{6} }{2} }$

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

1. Value of

3 + cot 80 cot 20/cot80+cot20 is equal to

https://brainly.in/question/17024513

2. what is the value of cos^2 31-sin^2 59

https://brainly.in/question/28163136