can anyone do the problem cos(arccox x - arcsin x)? the problem says to write the trigonometric expression as an algebraic expression. Please show detailed steps and explain the steps if possable thanks for any help

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- Dec 2nd 2009, 06:59 PMRexZShadowsum and difference formula problems
can anyone do the problem cos(arccox x - arcsin x)? the problem says to write the trigonometric expression as an algebraic expression. Please show detailed steps and explain the steps if possable thanks for any help

- Dec 2nd 2009, 07:41 PMmr fantastic
- Dec 2nd 2009, 08:01 PMRexZShadow
I just started trig so i didn't really undestand the explaination. Y does http://www.mathhelpforum.com/math-he...d83b281f-1.gif? Thanks

Also if i do open that how should i solve it? - Dec 2nd 2009, 08:07 PMmr fantastic
Do it the way I said, not the clever way I mentioned in passing. Have you been taught the compound angle formulae?: Compound Angle Formulae

- Dec 2nd 2009, 08:46 PMRexZShadow
Yes it was covered in the chapter, if i opened it up then it would be

then since and i would get , so then i can take x out and get i don't know w hat to do then because i don't know what or equals. Thanks again - Dec 2nd 2009, 08:51 PMmr fantastic