SOLUTION: Change all trigonometric functions in the expression to sines and cosines and simplify. cos(−x)sec x + tan(−x) = Please explain Thank you

Algebra ->  Finance -> SOLUTION: Change all trigonometric functions in the expression to sines and cosines and simplify. cos(−x)sec x + tan(−x) = Please explain Thank you      Log On


   

Question 924659: Change all trigonometric functions in the expression to sines and cosines and simplify.
cos(−x)sec x + tan(−x) =
Please explain
Thank you
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Use symmetry knowledge with the aid of the Unit Circle to handle the negative signs in the function inputs.

cos%28x%29%281%2Fcos%28x%29%29%2B%28-sin%28x%29%2Fcos%28x%29%29, and you should know what to do from there.



I would prefer to finish as 1-tan%28x%29 because this seems simpler.