Question

Question #da364

Answer 1

`x=-30`
`x=20`

Explanation:

`tan2x=-sqrt3`
or
`2x=tan^-1(-sqrt3)`
or
`2x=-60`
or
`x=-60/2`
or
`x=-30`===========Ans `1`
`2sin3x-sqrt3=0`
or
`2sin3x=sqrt3`
or
`sin3x=sqrt3/2`
or
`3x=sin^-1(sqrt3/2)`
or
`3x=60`
or
`x=60/3`
or
`x=20`==========Ans `2`