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March 5, 2015

March 5, 2015

Posted by **Alex** on Thursday, April 11, 2013 at 9:17pm.

cscxtanx + secx= 2cosx

This is what I've been trying

(1/sinx)(sinx/cosx) + secx = 2cosx

(1/cosx)+(1/cosx) = 2 cosx

2 secx = 2cosx

that's what i ended up with, but i know it's now right. did i mess up with the algebra?

- Pre Calculus -
**bobpursley**, Thursday, April 11, 2013 at 9:47pmLooks good. Lets try it with x=45deg

sqrt2*1+sqrt2=

2sqrt2 which is not equal to 2cos45

- Pre Calculus -
**Alex**, Thursday, April 11, 2013 at 10:20pmThanks!

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