Wednesday

December 17, 2014

December 17, 2014

Posted by **-** on Tuesday, January 26, 2010 at 3:55pm.

(sq.rt 2) (tanx)(cosx) = tanx

- math please help -
**drwls**, Tuesday, January 26, 2010 at 4:30pmsqrt2 cos x = 1

cosx = 1/sqrt2

x = 45 degrees and 315 degrees

- math please help -
**drwls**, Tuesday, January 26, 2010 at 4:32pmtan x = 0 is also a solution. That leads to two more possible values of x.

See if you can figure out what they are.

**Answer this Question**

**Related Questions**

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

Trigonometry - Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b...

Trigo - Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in ...

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

maths - trigonometry - I've asked about this same question before, and someone ...

precal - 1/tanx-secx+ 1/tanx+secx=-2tanx so this is what I did: =tanx+secx+tanx-...

Mathematics - Trigonometric Identities - Prove: sinx + tanx = tanx (1 + cosx) ...

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

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

Math - How do I solve: sqrt(3)tanx= I need to use the identity tanx=sinx/cosx ...