Thursday

September 18, 2014

September 18, 2014

Posted by **Henry** on Friday, June 15, 2012 at 3:12pm.

- Calculus Review for exam grade 12, please help. -
**Steve**, Friday, June 15, 2012 at 4:37pmtan = sin/cos

tan' = (cos*cos + sin*sin)/cos^2 = 1/cos^2 = sec^2

- Calculus Review for exam grade 12, please help. -
**Henry**, Monday, June 18, 2012 at 6:13pmthank u !

**Answer this Question**

**Related Questions**

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

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

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

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

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

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

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

Trigonometry - Simplify #1: cscx(sin^2x+cos^2xtanx)/sinx+cosx = cscx((1)tanx)/...

Math 12 - Simplify #1: cscx(sin^2x+cos^2xtanx)/sinx+cosx = cscx((1)tanx)/sinx+...

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