Ask Me Help Desk - cos^3-sin^3

Ask Me Help Desk (https://www.askmehelpdesk.com/forum.php)

- Mathematics (https://www.askmehelpdesk.com/forumdisplay.php?f=199)

- - cos^3-sin^3 (https://www.askmehelpdesk.com/showthread.php?t=683032)

cos^3-sin^3

I need to verify the identity cos^3-sin^3/cos-sin = 1+sincos

There is a difference of cubes on the numerator on the left side that you can use.

Basically, it's:
$a^3 - b^3 = (a-b)(a^2+ab+b^2)$

All times are GMT -7. The time now is 02:52 AM.