Saturday

November 1, 2014

November 1, 2014

Posted by **ROBIN** on Monday, July 15, 2013 at 10:34pm.

- MATH -
**mahesh**, Tuesday, July 16, 2013 at 12:15amIf cos^-1x=A then cosA=x and if

(cosx)^-1=A then A=1/cosx

**Answer this Question**

**Related Questions**

math - Determine exact value of cos(cos^-1(19 pi)). is this the cos (a+b)= cos a...

Math - Explain how to do this with steps please. 1. Simplify cos(x-y)+cos(x+y)/...

calculus - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x...

Calc. - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x ln...

Math - Explain how to do this with steps please. 1. Simplify cos(x-y)+cos(x+y)/...

Math - Solving Trig Equations - What am I doing wrong? Equation: sin2x = 2cos2x ...

pre-cal - Simplify the given expression........? (2sin2x)(cos6x) sin 2x and cos ...

Math - Calculus - The identity below is significant because it relates 3 ...

math - how would you prove that sin^2(a)-cos^2(b)= sin^2(b)-cos^2(a). i'm not ...

maths - Find the roots of z^6 + 1 and hence resolve z^6 + 1into read quadratic ...