Sunday

September 21, 2014

September 21, 2014

Posted by **meelizah** on Tuesday, November 27, 2012 at 11:46pm.

- calculus (Steve help plz) -
**Breanna**, Wednesday, November 28, 2012 at 10:31am1) if w = <-8, 15>, find ||w||?

2) which expression is equivalent to (sin x+1) (sin x -1)?

A. Cos^2x

B. -cos^2x

C. Cos^2x+1

D. Cos^2x-1

E. -cos^2x-1

**Answer this Question**

**Related Questions**

Trig - 4. Asked to simplify the expression sin(180−è), Rory volunteered ...

maths - Choose the option that gives an expression for the indefinite integral...

Pre Calculus - Use one of the identities cos(t + 2ðk) = cos t or sin(t + 2ðk) = ...

Pre Calculus - Use one of the identities cos(t + 2ðk) = cos t or sin(t + 2ðk) = ...

trig - The expression 4 sin x cos x is equivalent to which of the following? (...

calculus/Trig - Suppose you wish to express sin(3t) in terms of sint and cost. ...

Calculus - Consider the function f(x)=sin(1/x) Find a sequence of x-values that ...

algebra - Can someone please help me do this problem? That would be great! ...

Calculus - Consider the function f(x)=sin(1/x) Find a sequence of x-values that ...

Calculus - Consider the function f(x)=sin(1/x) Find a sequence of x-values that ...