Question

If tan x=11/r and cos x=r/s what is the value of sin x?

Answer 1

`sinx = 11/s`

Explanation:

`tanx = sinx/cosx`, so:

`sinx/cosx = 11/r`

`sinx/(r/s) = 11/r`

`s/rsinx = 11/r`

`sinx = (11/r)/(s/r)`

`sinx = 11/s`

Hopefully this helps!