# Posts by yadira

Total # Posts: 14

**math**

Which pair of numbers has 8 as a common multiple?

*January 7, 2016*

**Pre-Calc/Math**

Use factoring, the quadratic formula, or identities to solve cos(x)+1=sin^(2)x. Find all solutions on the interval [0, 2pi)

*May 23, 2012*

**Pre-Calc/Math**

Prove Identity: (1-cos2x/ tan x) = sin2x

*May 14, 2012*

**Pre-Calc/Math**

Prove identity: (sec x/csc x) + (sin x/cos x)=(2/cot x)

*May 14, 2012*

**English**

Place a comma where necessary and a semicolon where necessary. 1) I will not buy that that carp it is far too expensive. 2) He still cannot use Word consequently, Tara must stay here. 3) I noticed the baker, Ian, jogging in the park every day but he never seemed to get any ...

*May 1, 2012*

**Pre-Calc/Math**

If cosx= -2/3 and pi/2, find the exact value of cos(pi/3-x)

*April 30, 2012*

**Pre-Calc/Math**

Ohh it was hard me :/ .Do you think you can answer my other questions?

*April 30, 2012*

**Pre-Calc/Math**

Thank You! :D

*April 30, 2012*

**Pre-Calc/Math**

Prove the identit: cosxcotx+sinx=cscx

*April 30, 2012*

**Pre-Calc/Math**

Given cos x=2/3 and 3pi/2<x<2pi, find the exact value of cos2x?

*April 30, 2012*

**Algebra**

Building windows: Window World, Inc., is responsible for designing new windows for the expansion of the campus chapel. The current design is shown in the figure. The metal trim used to secure the perimeter of the frame is 126″ long. If the maximum window area is desired...

*April 22, 2012*

**algebra**

what is this answer I am an even number i am less than 65,but greater than 50 I am divisible by 5

*February 29, 2012*

**chemistry**

If 50.0 grams of copper metal is added to a silver nitrate solution, what mass of silver is produced if copper 2 nitrate is also formed?

*July 27, 2011*

**physcial science**

three term why physical science is used in life

*September 7, 2010*

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