Adding and Subtracting Trigonometric Expressions...3

[nycmathguy]

Section 5.1

 

[MathLover1]

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[nycmathguy]

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Where did I go wrong? I noticed that you broke the original problem into three fractions. What if I let
sin x = a and cos x = b? It makes the problem less challenging. Of course, I would need to back-substitute for a and b. Yes? Let me try that....

 

[MathLover1]

you made mistake at very beginning,
if you look closely what is given, you will see

and you started with:

 

[nycmathguy]

you made mistake at very beginning,
if you look closely what is given, you will see

and you started with:

I see my error.