- #1

imxaxpunk

- 2

- 0

## Homework Statement

Cos^2x-Sin^2x/2 SinxCosx

## The Attempt at a Solution

I changed cos^2x to 1- sin^2x

which then the equation was 1- s sin^2x/2snxcosx and i have no idea how to make this a single trig. function

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- Thread starter imxaxpunk
- Start date

- #1

imxaxpunk

- 2

- 0

Cos^2x-Sin^2x/2 SinxCosx

I changed cos^2x to 1- sin^2x

which then the equation was 1- s sin^2x/2snxcosx and i have no idea how to make this a single trig. function

- #2

rock.freak667

Homework Helper

- 6,223

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Hint: Look up your double angle formulas.

- #3

Superstring

- 119

- 0

[tex]sin(a+b)=sina \cdot cosb+sinb \cdot cosa[/tex]

What if a and b where the same number...

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