Hi

Is there any way of converting the function below into one that doesn't involve a quotient?

Thanks

Printable View

- June 22nd 2009, 04:50 AMbobredTrig identities
Hi

Is there any way of converting the function below into one that doesn't involve a quotient?

Thanks - June 22nd 2009, 06:34 AMmr fantastic
- June 22nd 2009, 06:44 AMSoroban
Hello, bobred!

Quote:

Is there any way of converting this function

. . into one that doesn't involve a quotient? . .

But the method may not be within the scope of your course.

We have: .

Multiply by .[1]

Consider the denominator: .

. . Multiply by

. . Let be an angle sucn that: .

. . Then we have: .

Hence, [1] becomes: .

Therefore: .

- June 22nd 2009, 07:08 AMbobred
Now I see.

I had have been given some answers similar but none that have shown how they have arrived at the answer, Thanks - June 22nd 2009, 07:24 AMbobred
Just one more thing, why multipy by and not something else?

- June 22nd 2009, 07:49 AMyeongil
- June 22nd 2009, 07:58 AMbobred
Thanks.

Thought it would be something obvious.