Popular questions and responses by Yadira
1. ## Pre-Calc/Math

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

2. ## Pre-Calc/Math

Given cos x=2/3 and 3pi/2

3. ## math

Which pair of numbers has 8 as a common multiple?

4. ## 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)

5. ## Pre-Calc/Math

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

6. ## 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

7. ## Pre-Calc/Math

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

8. ## Pre-Calc/Math

Prove the identit: cosxcotx+sinx=cscx

9. ## 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

10. ## algebra

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

11. ## 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?

12. ## physcial science

three term why physical science is used in life

1. ## History

A !!!!!!!!

posted on October 5, 2018
2. ## math

Sara has 6 necklaces, but her mother will only allow her to wear two at a time. How many different ways can Sara wear two necklaces? A. 30 B. 15 C. 360 D. 12

posted on January 9, 2018
3. ## Pre-Calc/Math

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

posted on April 30, 2012
4. ## Pre-Calc/Math

Thank You! :D

posted on April 30, 2012