mth, trig

3,874 results

mth, trig

Given cos a=-7/25 in quadrant II , and sin b=-12/13, in quadrant IV , find cos(a+b) and sin2a

mth

(2)^-2 ?

Maths

The first 5 terms of an arithmetic sequence are: 7 13 19 25 31 Prove that the difference between the squares of any two terms of the sequence is always a multiple of 24 Nth term = ? Nth term squared = ? Mth term = ? Mth term squared = ? Difference = ? ? = _(______) This is a ...

Mth/209

x/3 = 4/ x + 1

math

MTH 156

mth

why is the number 50 important

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?

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

mth help

600 cm3 = __L

mth

What is the greatest common factors of 9 and 27 A.3 B.6 C.9 D.18 C?

Mth

Find the slope of the line. 2x-4y=2

mth/208

solve d=abc for a. a=d/bc

Mth finding modes

Find the mode for 41,43,56,67,69,72

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

Mth

how do you divide 2.5 over 10 to get a remainder of zero

mth

five pentagonal numbers that follow 22

MTH

Use binomial the porem to expand (x+y)25

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:

MTH 157

Given that P(A)=2/9 what are the odds in favor of A occuring?

mth121

mth 121(solve the linear equation:2x+3y=3, x-2y=5 and 3x+2y=7.)

MTH 156

How do the ideas of divisibility and multiples relate to the studey of fractions?

MTH 156

2^6 * 2^7 multiply and simplify and then write the answer in exponential notation. Thanks!

mth

Add the rational expressions as indicated. Be sure to express your answer in simplest form. (8 x)/(x-3) + 7/(x-3)

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

mth 209

what formula do i use to figure our the usage (in million)of the drug claritin. From the year 2008-2011

mth

Two positive intergers have a sum of 17 and a product of 66.What are the intergers?

mth 157

Drawing one slip, what is P (slip contains a vowel)?

science

calculate the ratio of wavelength o mth line of lyman series and balmer series of H-atom

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.?

mth

Calculate the maturity value of a simple interest, eight-month loan of $15,000 if the interest rate is 4.5%.

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

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.?

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

MTH

What is an example of an interquartile range that is equal to the range

calculus

1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π? 2. what trig function never crosses the x-axis and has a value of 2 at π/6? are these correct? 3. what trig function has a period of π and is undefined for -π/...

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

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)

trig

What kind of reflections are the following trig functions? y = 3cos(x-1) y = sin(-3x+3) y = -2sin(x)-4

trig

What is the shift along x of the following trig functions? y = (3sinx/2) + 4 y = -2sin(x)-4 y = sin(-3x + 3)

trig

express the trig. ratios sinA,secA n tanA in terms of cotA.

trig

How do you solve cos(2arcsin 1/4) using inverse trig. functions??!! PLEASE HELP ME!

Trig

Find (if possible) the trig function of the quadrant angle. sec 3pi/2

trig

What kind of reflection does the trig function y = cos(4x/3 minus 1) have?

trig

What kind of reflection does the trig function y = cos(4x/3 minus 1) have?

trig

how do i do this? give the signs of the six trig functions for each angle: 74 degrees?

trig

simplify to a constant or basic trig function.. 1+tan(x)/1+cot(x)

trig

find the 5 trig ratios when sin theta = -5/13 and lies in quadrant 3

Trig

Does anybody know a good website that will help me with finding the six trig functions of a point NOT on the unit cricle?

trig

use the unit circle to find the exact value for all the trig functions of è=2ð/3.

Precalculus

How would you solve this trig function: cos2x=sin^2-2 how do you know what trig identities to use?

Trig

find the exact values of the six trig functions of angle... sin(-315degrees) how do i do this?

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

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

trig

find the 5 other trig functions if cos(theta) = square root of 2/2 and cotangent is less than 0

trig

if (-12,5) is a pointon the terminal side of an angel 0 find the exact value of six trig funcation of 0

trig

what is the exact value of 7pi for all trig func.?

Trig

Find (if possible) the trig function of the quadrant angle.

trig

write a product of two trig functions that equals 1.

Trig

Solve the following trig equation 2cos(x-π/6)=1

Trig

csc thea= -2, quadrant 4. what are the six trig functions?

trig

TRIG Identities, Gr. 12: Prove: cot4x=1-tan^2x/2tan2x

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

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

trig

Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ

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

Please help me with trig.

One more problem.. Given sin t= 3/11 and cos t<0, find the values of the remaining 6 trig functions.

trig

how to i find the six trig values for (7pi/3)

trig

what's the single trig. function of cos6xcosx-sin6xsinx

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)?

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.

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

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 ...

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

trig

What is the range of the trig function sin(-3x+3)?

Trig

Trig Identity. 1-sin^2x/1-cosx

trig

write 2+2 squareroot of 3i in trig form.

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?

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?

mth 157

Matt has four times as many stickers as David. How many stickers mush Matt give Davis so that they will each have 75 stickers? I am so bad at these problems, please help!

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

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

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 __________________________

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?

mth

A faculty lost 1/5 of its faculty in the reduction. If 88 faculty were left, how many faculty were there originally? Thanks!

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 ...

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!

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

trig

combine fractions and simplify to a multiple of a power of a basic trig. function.? sin x/cot²x - sin x/cos²x

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!

Trig

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

trig

Solving Trig Functions: How Do You Solve For Sin 7.5 Using Half-Angle and Double-Angle Identities?

Trig

Find values of all six trig functions if sin(theta)= 4/5 and theta is in the second quadrant.

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.

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?

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.

trig

find the exact values of the six trig functions of theta equals six pi divided by 8

trig

2sin(4x)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+x can someone simplify this using trig identities?

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....

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)

algebra/trig

1.Find the domain f(x)=ã(x^(2)-9) 2. Find all six trig functions for (-3,4)

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