Saturday

April 25, 2015

April 25, 2015

Number of results: 3,509

**mth, trig**

Given cos a=-7/25 in quadrant II , and sin b=-12/13, in quadrant IV , find cos(a+b) and sin2a
*April 18, 2012 by shay*

**mth**

(2)^-2 ?
*February 24, 2010 by belinda*

**Mth/209**

x/3 = 4/ x + 1
*July 5, 2010 by Gail*

**math**

MTH 156
*March 3, 2010 by Traci*

**mth**

why is the number 50 important
*September 11, 2012 by mythreyee*

**MTH 156**

If P (A) = 2/11, P(B) =3/11, and P(C) =4/11, what can you say about P(A or B or C) when P(A and B and C)=0?
*September 11, 2009 by lorie*

**mth/213**

Let U = {u, n, i, t, e} A = {n, i, t} B = {n, e} C = {u, n, i, t, e} D = {u, e} Find each of the following: (a) A ¿B
*November 1, 2009 by marina*

**mth help**

600 cm3 = __L
*August 30, 2010 by Anonymous*

**mth**

What is the greatest common factors of 9 and 27 A.3 B.6 C.9 D.18 C?
*September 18, 2012 by Lance*

**Mth**

Find the slope of the line. 2x-4y=2
*February 18, 2013 by Tiffany*

**Mth finding modes**

Find the mode for 41,43,56,67,69,72
*February 15, 2008 by Babygirl*

**MTH 156**

For : U= {a,b,c,d,e,f,g} A= {f,g} B= {} C= {a,c,e} Identify the following sets: _ _ _ _ a. A b. B c. C d.U
*May 28, 2010 by Jessica*

**Mth**

how do you divide 2.5 over 10 to get a remainder of zero
*December 10, 2012 by Anonymous*

**mth**

five pentagonal numbers that follow 22
*January 14, 2014 by jr*

**MTH 213-Elementary Math**

Let U = {u, n, i, t, e} A = {n, i, t} B = {n, e} C = {u, n, i, t, e} D = {u, e} Find each of the following:
*November 30, 2009 by Ta*

**MTH 157**

Given that P(A)=2/9 what are the odds in favor of A occuring?
*May 30, 2010 by Erin*

**MTH 156**

How do the ideas of divisibility and multiples relate to the studey of fractions?
*October 6, 2009 by Anonymous*

**mth**

Add the rational expressions as indicated. Be sure to express your answer in simplest form. (8 x)/(x-3) + 7/(x-3)
*February 22, 2011 by latasha*

**mth 121**

can you fine the dimensions of a rectangle with a perimeter of 94cm if the length is 2 less than six times the width
*July 23, 2012 by Ann*

**mth 209**

what formula do i use to figure our the usage (in million)of the drug claritin. From the year 2008-2011
*January 4, 2012 by Victor *

**mth**

Two positive intergers have a sum of 17 and a product of 66.What are the intergers?
*December 10, 2008 by DE*

**mth 157**

Drawing one slip, what is P (slip contains a vowel)?
*February 11, 2010 by tom*

**science**

calculate the ratio of wavelength o mth line of lyman series and balmer series of H-atom
*September 8, 2012 by harsimranjit*

**airthmetic progression**

If m, n are natural numbers, m > n, sum of mth and nth term of an increasing AP is 2m and their product is m^2- n^2, then what is the (m+n)th term of the A.P.?
*December 6, 2012 by simmi*

**mth**

Calculate the maturity value of a simple interest, eight-month loan of $15,000 if the interest rate is 4.5%.
*November 17, 2013 by liza*

**Mth plz...help**

A linear regression equation of best fit between a student's attendence and the degree of sucess in school is h = 0.5x + 68.5. the correlation coefficent, r, for these data would be (1) 0 < r < 1 (2) -1< r < 0 (3) r = 0 (4) r = -1
*September 21, 2008 by Ashlee*

**airthmetic progression**

If m, n are natural numbers, m > n, sum of mth and nth term of an increasing AP is 2m and their product is m^2–- n^2, then what is the (m+n)th term of the A.P.?
*December 6, 2012 by sunny*

**MTH**

What is an example of an interquartile range that is equal to the range
*December 3, 2010 by Anonymous*

**precalc**

Suppose that z1=6-8i. Find: A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2, where z2=5[cos(60degrees)+isin(60degrees)] C. The Trig Form of (z1)^4
*December 5, 2011 by Joshua*

**MTH 156**

Annies cafe borrows $9300 at 8% for 50 days. find the total amount that must be repaid after the 50 days. (Use a 365 day year)
*November 26, 2010 by Cluless*

**math**

could someone please refresh my memory of the basic trig functions? ex) cos^2 + sin^2 = 1? That is a trig identity. http://www.sosmath.com/trig/Trig5/trig5/trig5.html
*April 12, 2007 by raychael*

**MTH 156**

I am having trouble with this question, please help. If a person makes $30,000 in 2004 and the inflation rate is 4% annually, how much is this salary worth in the year 2008 (in terms of 2004 dollars)?
*October 18, 2010 by Tammy*

**MTH 156**

The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron, how far should he average with a 5-iron
*November 26, 2010 by Cluless*

**trig**

What kind of reflections are the following trig functions? y = 3cos(x-1) y = sin(-3x+3) y = -2sin(x)-4
*April 21, 2008 by Joshua*

**trig**

What is the shift along x of the following trig functions? y = (3sinx/2) + 4 y = -2sin(x)-4 y = sin(-3x + 3)
*April 21, 2008 by Amandeep*

**trig**

express the trig. ratios sinA,secA n tanA in terms of cotA.
*May 7, 2011 by Anonymous*

**trig**

How do you solve cos(2arcsin 1/4) using inverse trig. functions??!! PLEASE HELP ME!
*May 9, 2011 by Tor*

**Trig**

Find (if possible) the trig function of the quadrant angle. sec 3pi/2
*June 6, 2011 by Master chief*

**trig**

What kind of reflection does the trig function y = cos(4x/3 minus 1) have?
*April 21, 2008 by Priya*

**trig**

What kind of reflection does the trig function y = cos(4x/3 minus 1) have?
*April 22, 2008 by Chaitanya*

**trig**

how do i do this? give the signs of the six trig functions for each angle: 74 degrees?
*December 3, 2008 by Tay*

**trig**

simplify to a constant or basic trig function.. 1+tan(x)/1+cot(x)
*March 14, 2010 by hilde*

**trig**

find the 5 trig ratios when sin theta = -5/13 and lies in quadrant 3
*September 14, 2011 by karen*

**trig**

use the unit circle to find the exact value for all the trig functions of è=2ð/3.
*February 1, 2010 by Anonymous*

**Precalculus**

How would you solve this trig function: cos2x=sin^2-2 how do you know what trig identities to use?
*August 6, 2011 by Jess*

**Trig**

find the exact values of the six trig functions of angle... sin(-315degrees) how do i do this?
*September 1, 2011 by ALISON*

**trig**

I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x0= secx i(x)= cscx
*January 19, 2012 by Claire*

**trig**

I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x)= secx i(x)= cscx
*January 19, 2012 by Claire*

**Trig**

Does anybody know a good website that will hlp me with finding the six trig functions of a point NOT on the unit cricle?
*September 16, 2009 by Anonymous*

**trig**

find the 5 other trig functions if cos(theta) = square root of 2/2 and cotangent is less than 0
*June 9, 2010 by kelly*

**trig**

if (-12,5) is a pointon the terminal side of an angel 0 find the exact value of six trig funcation of 0
*June 19, 2014 by sal*

**trig**

what is the exact value of 7pi for all trig func.?
*February 1, 2010 by claire*

**Trig**

Find (if possible) the trig function of the quadrant angle.
*June 6, 2011 by Master chief*

**trig**

write a product of two trig functions that equals 1.
*November 6, 2011 by Dani*

**Trig**

Solve the following trig equation 2cos(x-π/6)=1
*January 31, 2012 by Matt*

**Trig **

csc thea= -2, quadrant 4. what are the six trig functions?
*May 6, 2013 by Shay*

**trig**

TRIG Identities, Gr. 12: Prove: cot4x=1-tan^2x/2tan2x
*May 23, 2013 by Josh*

**trig**

What is the shift along x of the trig function y = cos(4x/3 minus 1)? Any link of proof would be appreciated if you have one Thank you
*April 21, 2008 by Priya*

**trig**

What is the shift along y of the trig function y = cos(4x/3 minus 1)? Any link of proof would be appreciated if you have one Thank you
*April 21, 2008 by Priya*

**trig**

Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ
*July 27, 2010 by student*

**Trig**

Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation
*March 1, 2011 by Anonymus*

**trig**

how to i find the six trig values for (7pi/3)
*January 12, 2010 by Rak*

**trig**

what's the single trig. function of cos6xcosx-sin6xsinx
*May 17, 2012 by MIK*

**mth**

The vote count for candidate A was 7,310. The vote for candidate B was 14,190. Only two candidates were running.What percent of voters voted for candidate A?
*December 9, 2008 by odessa*

**mth**

The vote count for candidate A was 7,310. The votr count for candidate B was 14,190. Only two candidates were running. What percent of the voters voted for candidate A?
*October 20, 2008 by Odessa*

**trig**

Suppose that q is in standard position and the given point is on the terminal side of q. Give the exact value of the indicated trig function for q.
*February 21, 2011 by Anonymous*

**MTH 213-Elementary Math**

Write each of the following in the indicated base. (a) 1021 three to base ten. ________________________ (b) 534 ten to base twelve __________________________
*December 5, 2009 by Ta*

**MTH 156**

Southwest Cleaners believes that it will need new equipment in 10 years. The equipment will cost $26,000. What lump sum should be invested today at 8% compounded semi-annually, to yield $26,000?
*November 26, 2010 by Dazed and confused*

**mth**

PLEASE I NEED HELPPPPP.. i have many exercises like that, just want to know where to start thanks. f(x)= x^3+2x^2-x-2 / x^2+x-6 find: 1. domain 2. symmetry or not 3. determine if f(x)is: a)in lowest trem b)proper/improper 4. x-intercepts, y-intercepts 5. zeros of f(x) and ...
*March 1, 2011 by leticia*

**Trig**

The next two steps in solving this trig identity question are ??? 1/csctheta x costheta x sintheta x sectheta = sinsqtheta arghhh need help please
*December 17, 2011 by Don*

**trig**

What is the range of the trig function sin(-3x+3)?
*April 21, 2008 by Chaitanya*

**Trig**

Trig Identity. 1-sin^2x/1-cosx
*May 15, 2011 by Jill*

**trig**

write 2+2 squareroot of 3i in trig form.
*May 17, 2012 by ky*

**MTH 156**

On a map, the length of a nature-center trail is 8.2 centimeters. If the scale is 3 centimeters to 24 kilometers, what is the actual length of the trail.
*November 23, 2010 by Barbara*

**MTH 156**

On a MaP, The length of a nature-center trail is 8.2 centimeters. If the scale is 3 centimeters to 24 kilometers, what is the actual length of the trail?
*November 26, 2010 by Cluless*

**trig 26**

simplify to a constant or trig func. 1. sec ²u-tan ²u/cos ²v+sin ²v change expression to only sines and cosines. then to a basic trig function. 2. sin(theta) - tan(theta)*cos(theta)+ cos(pi/2 - theta) 3. (sec y - tan y)(sec y + tan y)/ sec y combine fractions and simplify to a...
*March 14, 2010 by hilde*

**Math- gr.12 Trig. **

Hi, could someone explain to me how to use a counterexample in trig to prove whether something is either an identity or equation? For ex. how would you do that with this question? sec^2x-tan^2x= cos x
*January 11, 2010 by May*

**trig**

Getting ready for trig semester finals. Can't figure out how they are simplifying these equations. (these are the review not actual test) tanx-sqr3=2tanx and 2sin^2+sinx=0
*December 11, 2011 by Josh*

**mth-stat-help-plz**

In conducting a hypothesis test for the difference in two population means where the standard deviations are known and the null hypothesis is: o H : uA - uB ≥ 0 What is the p-value assuming that the test statistic has been found to be z = 2.52? A) 0.0059 B) 0....
*December 9, 2013 by Lea*

**Trigonometry**

Use the trig Identities to find the other 5 trig functions. Problem 7.)Tan(90-x)=-3/8 8.)Csc x=-13/5 9.)Cot x=square root of 3 10.)Sin(90-x)=-.4563 11.)Sec(-x)=4 12.)Cos x=-.2351 I need HELP!
*January 5, 2010 by Jennifer*

**trig**

I am currently taking a trig class. I need help understanding how to solve for sin,cos, and tan in problems which give an angle and a side length or the hypotenus. Any help would be muchly appreciated
*February 11, 2015 by Ben*

**trig**

combine fractions and simplify to a multiple of a power of a basic trig. function.? sin x/cot²x - sin x/cos²x
*March 15, 2010 by hilde*

**trig**

I have heard that trig CAN be super easy, that there are just, like, 10 rules you need to memorize then all the problems are easy. ... Does anyone know what these are? Thanks!
*April 7, 2008 by jennifer*

**Trig**

Im having serious issues with verifying Trig. identities. Please help! Here is an example: (tanX-secX)^2= 1-sinX/1+sinX
*November 7, 2011 by Rachel*

**trig**

Solving Trig Functions: How Do You Solve For Sin 7.5 Using Half-Angle and Double-Angle Identities?
*September 22, 2010 by Spy[c]*

**Trig**

Find values of all six trig functions if sin(theta)= 4/5 and theta is in the second quadrant.
*August 23, 2011 by Lucy*

**trig**

If cos 0 = - 1/2 and tan 0 > 0, find the quadrant that contains the terminal side of 0, and then find the exact values of the other five trig functions of 0.
*May 14, 2011 by shawn*

**Algebra/Equations,functions**

Media services charges $40 for a phone and 20/mth for its economy plan. It says to find a model that determines the total cost, C(t), of operationg a media Services phone for t months. I think the answer should be in this equation - y = mx+b. Not sure.
*November 26, 2010 by AMY*

**trig**

find the exact values of the six trig functions of theta equals six pi divided by 8
*October 17, 2011 by don*

**trig**

2sin(4x)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+x can someone simplify this using trig identities?
*May 13, 2012 by Brianna*

**trig**

Determine if the value of each trig function is positive, negative, zero, or undefined. a) tan 310 degrees b) cos 7pi/6 c) sin -245 degrees d) sec( -7/2)
*January 26, 2012 by Anonymous*

**MTH 157**

The 99 employees in a factoryearn a salary of $35,000 per year, while the CEO makes $266,000 annually. What are the mean, median salaries for all 100 people? Is the mean or median the more appropriate measure of "center" in this case? Explain.
*January 18, 2011 by Lo*

**algebra/trig**

1.Find the domain f(x)=ã(x^(2)-9) 2. Find all six trig functions for (-3,4)
*June 8, 2011 by Mike*

**Trig**

HELP!!!! I dont know how to do the trig identity with this problem csc^4 x-cot^4x= Csx^2 x + cot^2x
*March 8, 2012 by Quetzally*

**trig**

hi, I have a placement test coming up tomorrow, and I'm pretty confident about all the stuff that's going to be there except trigonometry. I took trig two years back and I understood it very well. But now it's been so long and I can't even remember the basics. Is there any ...
*June 1, 2010 by y912f*

**trig**

Find the exact values of the other trig functions of theta given sec theta=7 and sin theta is less than 0.
*May 8, 2011 by Nick*

**trig**

Prove the following trig identity: 1 + sinx = sinx(1+cscx)
*November 4, 2009 by Anonymous*

**trig**

how do i find six trig functions for cos(pi over 2-x)=3/5, cos x=4/5?
*October 19, 2010 by Anonymous*

**trig**

how to graph thr trig function f(x)3x-180)+2 and the parent function?
*January 7, 2013 by kim*

**Mth 209**

Which of the following conclusions is true about the statement below? X^2√x Multiple Choice: The statement is never true. The statement is true when x is negative. The statement is true when x=0. The statement is always true.
*December 16, 2013 by Tina*