Wednesday

October 1, 2014

October 1, 2014

Posted by **trig** on Sunday, November 30, 2008 at 5:08pm.

x=?

please and thank you! i'd appreciate it!

- lena -
**bobpursley**, Sunday, November 30, 2008 at 6:32pmdivide both sides by -cosx

tanx+1=0

x= arctan -1

x=-45 deg

**Answer this Question**

**Related Questions**

Trig........ - I need to prove that the following is true. Thanks (cosx / 1-sinx...

Precalculus/Trig - I can't seem to prove these trig identities and would really ...

Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...

Trigonometry Check - Simplify #3: [cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [...

Math - Pre- Clac - Prove that each of these equations is an identity. A) (1 + ...

Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...

Math - Verify the identity . (cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant ...

Math - Im really struggling with these proving identities problems can somebody ...

trigonometry - can i use factoring to simplify this trig identity? the problem ...

Mathematics - Trigonometric Identities - Prove: (tanx)(sinx) / (tanx) + (sinx...