Question

PLEASE tach me how to do these!

Answer 1

take sin y

Answer 2

what?

Answer 3

i dont know how to do that im confused

Answer 4

\(\bf sin(\theta)=\cfrac{opposite}{hypotenuse}\qquad sin(45^o)=\cfrac{7}{x}\implies x=\cfrac{7}{sin(45^o)}\)