Question

Am I Right?

Answer 1

as x is in first quadrent so x/2 will also be in first quadrent

Answer 2

ok, so it would be positive then right?

Answer 3

yeah now u have check just ans

Answer 4

and did I get the other one right?

Answer 5

\[\tan 2x =\frac{ 2*tanx }{ 1-\tan^2x }\]

Answer 6

use this formula

Answer 7

\[tanx =\frac{ 4 }{ 3 }\]

Answer 8

first will be\[\sqrt{\frac{ 1 }{ 26 }} \]