SOLUTION: Simplify the trigonometric expression to a single trigonometric function or a multiple of one or a number. (cos y + 1)/(1 + sec y) = Thanks!

Algebra ->  Trigonometry-basics -> SOLUTION: Simplify the trigonometric expression to a single trigonometric function or a multiple of one or a number. (cos y + 1)/(1 + sec y) = Thanks!      Log On


   



Question 921598: Simplify the trigonometric expression to a single trigonometric function or a multiple of one or a number.

(cos y + 1)/(1 + sec y) =

Thanks!

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
%28cos%28+y%29+%2B+1%29%2F%281+%2B+sec%28+y%29%29 =
use identity sec%28+y%29=1%2Fcos%28y%29

%28cos%28+y%29+%2B+1%29%2F%281+%2B+1%2Fcos%28y%29%29+=

%28cos%28+y%29+%2B+1%29%2F%28cos%28y%29%2Fcos%28y%29+%2B+1%2Fcos%28y%29%29 =

%28cos%28+y%29+%2B+1%29%2F%28%28cos%28y%29+%2B+1%29%2Fcos%28y%29%29+=

%28%28cos%28+y%29+%2B+1%29cos%28y%29%29%2F%28cos%28y%29+%2B+1%29 =

%28cross%28%28cos%28+y%29+%2B+1%29%29cos%28y%29%29%2Fcross%28%28cos%28y%29+%2B+1%29%29 =

=cos%28y%29