Wednesday

September 17, 2014

September 17, 2014

Posted by **r. giggs** on Saturday, May 12, 2007 at 3:17am.

3cos(2 x 2)

thanks.

I assume you meant

3cos(2x²)

pick your x

square it

multiply it by 2

take its cosine

multiply by 3

press the = sign on your calculator after each step to overwrite any build-in order of operation

**Answer this Question**

**Related Questions**

Maths - Solve this equation fo rx in the interval 0<=x<=360 3sinxtanx=8 I ...

Math - ((4sin(atan(4/3))-4sin(0)))-(-3cos(atan(4/3))-(-3cos(0)))+((-3cos(pi/2...

Math - Trig Substitution - How can I solve the integral of x^3√(9-x^2) dx ...

Trig - prove the identity (sinX)^6 +(cosX)^6= 1 - 3(sinX)^2 (cosX)^2 sinX^6= ...

Urgent math - If f(x, y, z)=sin(3x-yz), where x=e^(t-1), y=t^3, z=t-2, what's df...

Math algebra 1A - Can someone tell me if these answers are correct please? 1. ...

math - Your task is to chose at least ONE of the operations(add,substract,...

math - 3+siny = 3cos^2 y for 0<Y<360

math - describe the symetry of y=3cos(2x)+1

math (final trig problem) - Solve for x on the interval [0,π/2): cos^3(2x...