Question

pls answer correctly​

Answer 1

Answer:

i hope it will help you. bro

Answer 2

2 tan^2 45° + cos^2 30° – sin^2 60°

We know tan45° = 1

Cos 30 =√3/2

Sin 60 = √3/2

Substituting in given equation:-

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