Maths questions

Anyone know where i can find more of these types of questions:

Anyone know where i can find more of these types of questions:

You could try https://www.physicsandmathstutor.com/

Is it the double angle part or the simple tan=sin/cos identity or the exact value part? For the double angle (radians), something like 388 on
https://www.drfrostmaths.com/courses.php?cuid=770
is maybe what you want, but simply googling something like
solve trig multiple angle worksheets
gave a reasonable number of questions.