Monday

March 30, 2015

March 30, 2015

Posted by **Kayla** on Wednesday, September 26, 2012 at 5:43pm.

Limit as x approaches pi/4 of (1-tanx)/(sinx-cosx)

I need step by step help using the special trignometric limits theorem.

- Calculus -
**Steve**, Wednesday, September 26, 2012 at 5:54pm(1-tanx)/(sinx-cosx) = 0/0, so try LHospital's Rule:

-sec^2(x)/(cosx+sinx) = (-2)/(2/√2) = -2/√2 = -√2

**Answer this Question**

**Related Questions**

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

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

calculus - what is the limit of (1-tanx)/(sinx-cosx) as x approaches pi/4?

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

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

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

Calculus - Hey, we covered limits at the beginning of the year, but I cannot ...

calculus help - Find the derivative of the function. y = integral from cosx to ...

limits - what is the derivative of e^(3*ln(x^2)) i keep getting 6/x * e^(3*ln(x^...

Calculus - I'm supposed to find the limit as x approaches infinity of (2-x-sinx...