Question

If cotu=4/5, π 13 years ago

Answer 1

draw a picture for cot(u)

remember cot = 1/tan so the ratio is adj/opp



now for sin v



now you can solve the sum and difference problems.

Answer 2

Thank you so much!!

Answer 3

@campbell_st
How do you type when you are using the draw function?

Answer 4

@mertsj in the draw function click on the A it allows you to type

Answer 5

Thank you.