SOLUTION: rewrite y= 3sinx - 4cosx in the form Asin(x+theta). The answer is 5sin(X- 0.927).Please explain the steps.

Algebra ->  Trigonometry-basics -> SOLUTION: rewrite y= 3sinx - 4cosx in the form Asin(x+theta). The answer is 5sin(X- 0.927).Please explain the steps.      Log On


   

Question 435659: rewrite y= 3sinx - 4cosx in the form Asin(x+theta). The answer is 5sin(X- 0.927).Please explain the steps.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
, where theta+=+tan%5E%28-1%29%284%2F3%29+=+0.9273, to 4 decimal places, in radians.