# algebra/trigonometry

42,940 results

### Grammar

Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any rules?

### trigonometry

determine the trend of each linear function: 1. f(x)= 3x+5 I don't know what you call the "trend" or why you call this a trigonometry question. It is about algebra. The value of the function increases with x at a rate of three times the change in x.

### High School Courses

How often do state colleges which are moderately competitive require trigonometry? Is trigonometry something like algebra that they expect you to have, or do they usually not care as long as you have the right number of math courses? Would it look better for me to take ...

2x-y=-6 8x-4y=-24

### plane and spherical trigonometry

trigonometry in oblique triangles

### Algebra/Trigonometry

Simplify the expression: 1/y - 1/y-3

### Algebra II/Trigonometry

Simplify this problem: (1/2m^4n^5)^2

### algebra 2 and trigonometry

What the solution of the equation: y^2-3y=9 ?

### algebra 2 and trigonometry

What the solution of the equation: y^2-3y=9 ?

### algebra and trigonometry

if 9<1/2X how do you graph that on a number line?

### algebra 2 with trigonometry

what is the answer to the problem (6t-4)-(6t2+t-2)

### math

need help with 20 question for algebra and trigonometry

### Algebra 2 w/Trigonometry

How would you solve the following problem: m-(m+4n)-3n

### Algebra 2 w/ trigonometry

is there a tutor out there that know how to do ordered triples?

### algebra and trigonometry

Where can I find a complete drawing of the unit circle

### Algebra 2/ Trigonometry

The expression sin(2π - θ)is equivalent to

### Algebra/trigonometry

The expression cos4x cos3x+ sin4x sin3x is equilvalent to?

### algebra and trigonometry

find the dimensions of a rectangle having perimeter 14m and diagonal of length 5m

### Algebra And Trigonometry

After finding the values by using half angle formula, how to determined the quadrant

I'm having trouble ordered triple in algebra 2 w/ trigonometry, could someone please hellllllllllllllllllp me!

find, to the nearest minute, the angle whose measure is 3.45 radians.

### Algebra 2 with trigonometry

2sin2xcos2x cos^4x-sin^4x (sinx+cosx)^2-sin2x 2sinxcos^3x+2sin^3xcosx

### Algebra 2 with trigonometry

2sin2xcos2x cos^4x-sin^4x (sinx+cosx)^2-sin2x 2sinxcos^3x+2sin^3xcosx

### Algebra

I am doing the amount of permutations in the word trigonometry. For the expression, I wrote 12!/2!2!2!. I got 968003200. Is this correct? If not, should I use parenthesese? Thanks

### MATHS 2

If x+y=45°, prove that {(cotx+1)(coty+1)}/{cotx×coty}=2 Please help me in this TRIGONOMETRY problem. From the topic - TRIGONOMETRY Ratios of compound angles

### spanish

is this translated right? In the morning I wake up at 8:30 a.m. The first thing I do is brush my teeth and comb my hair. Then I eat breakfast. By 9:00 a.m., I start my schooling (home). The first thing I work on is trigonometry. Then I do English, Trigonometry, American ...

### Algebra w/Trigonometry

How would you solve: 3.5r squared minus 5.5 + 1.5r squared plus 4?

### Algebra 2 w/Trigonometry

How would you work the problem: 2 with the exponent of 4 minus 3 times 5 divided by 10 plus 16-15 divided by 10?

### Algebra 2/ Trigonometry

If cos θ = c, then sin²θ/2 equals 1) 1-c/2 2) 1+c/2 3) 1-c/c+c 4) 1-c/4

the expression cos4x cos3x + sin4x sin3x is equivalent to which one of the following is the answer: 1) sinx 2) sin7x 3) cosx 4) cos7x

### College Algebra and Trigonometry

if x = ucos(pi/4) - vsin(pi/4) and y = usin(pi/4) + vcos(pi/4), find A, B and C so that, 5x^2 - 6xy + 5y^2 = Au^2 + Buv + Cv^2. Thanks, I really don't know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks.

### Trigonometry

a 20ft. ladder is leaning against a wall so that the foot of the ladder is 9ft. from the buss of the wall what angle does the ladder make with the ground? what is the distance from the top of the ladder to the base of the house? based in trigonometry

### algebra & trigonometry

The sum of two numbers is 210. If one number is the square of the other, find the set of numbers. Thanks

If a is an angle in standard position and its terminal side passes through the point (-3,2), find the exact value of csc a. Answer: radical 13/2

### trigonometry

okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"

### Trigonometry

PLEASE HELP!! I really don't understand this...I just started learning about trigonometry and SOH CAH TOA and I think this probably has to do with that but I don't know how to apply it... Please explain this to me!!!! I need to know how to do it and not just the answer. ...

### algebra/trigonometry

find the smallest positive number that is the difference of two three-digit integers made up of the digits 1, 2, 3, 6, 7, 8 where each digit is used once.

### algebra/trigonometry

A kite and a height of 75 meters from the ground is attached to a string inclined at 60 degrees to the horizontal. How do you find the length of the string to the nearest meter?

### algebra/trigonometry

x+5 over 7 divided by 4x+20 over 9

### Algebra 2/Trigonometry

How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?

### senior courses

So far in high school i have taken geometry, algebra 2, and trigonometry. one of my friends is taking calculus and she says its way too difficult. and since i have alot of trouble in algebra and trig myself i don't think calculus would be the right choice for me next year. ...

### Trigonometry

The light on the Prince Shoal lighthouse is 25m above water level. From a position behind the light, the angle of the depression of the sailboat is 12 degrees. How far is the sailboat from the lighthouse, to the nearest metre? (I have no idea how the diagram would look - it ...

### Algebra & Trigonometry

A slice of thickness 1 cm is cut off from one side of a cube. If the volume of the remaining figure is 180 cubic centimeter, how ling is the edge of the original cube

### Trigonometry

Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then x log 3 = log 1.295 x...

### Math (trigonometry)

Trigonometry identities are so hard... I need some help proving these identities: *Oh, and I'm only in grade 11, so the identities we use are quotient identity and Pythagorean identity. sinx/(sinx + cosx) = tanx/(1 + tanx) cos^2x - sin^2x = 2cos^2x - 1 Thanks! Lucy

### algebra & trigonometry

The area of a rectangle is 12 square inches. The length is 5 more than twice the width. Find the length and the width. Thanks

### algebra & trigonometry

The area of a rectangle is 28 square inches. The length is 8 more than thrice the width. Find the length and the width. Thanks

### Algebra and Trigonometry

A plane if flying at 200 mph with a heading of 45 degrees and encounters a wind of 100 mph from the west. What is the resulting velocity and heading?

### trigonometry

y=−34 sin(10θ+10π)−14 I need to graph this trigonometry problem. I need the parent graph, period, vertical shift, phase shift, a separate graph showing the new mid line with the amplitude and a final product graph. thanks for any help :)

### Trigonometry

A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.

A circle has a radius of 4 inches. In inches, what is the length of the arc intercepted by a central angle of 2 radians? which of the following is the answer: 1) 2 radian 2) 2 3) 8 radian 4) 8

### Algebra 2/ Trigonometry

The expression 4 - cos² A is equivalent to 1)5 - sec² A 2)5 - sin² A 3)5 + sin² A 4)5/sec² A

### algebra & trigonometry

A person wants to purchase two types of items, A and B, from a shop. She has \$200 to spend, and she has to purchase at least 10 items. If the price of one unit of each A and B is \$10 and \$30, respectively, represent this problem graphically.

### algebra & trigonometry

A person wants to purchase two types of items, A and B, from a shop. She has \$200 to spend, and she has to purchase at least 10 items. If the price of one unit of each A and B is \$10 and \$30, respectively, represent this problem graphically. Thanks

### Algebra 2 with trigonometry

A baseball diamond is a square 90 feet on a side. The pitcher's mound is 60.5 feet from home. How far does the pitcher have to run to cover first? (we are using the LAW OF SINES AND COSINES)

### Algebra 2/ Trigonometry

If cos y = -4/5 when 90°≤ y ≤ 180° what is the value of cos 2y?

### Algebra and Trigonometry

A person who can swim at 3 m/s wishes to swim straight across a river flowing at 2 m/s south. What heading should they swim at? How long will it take to cross the river if it is 56 m wide?

### algebra & trigonometry

At a grocery store, the number of customers arriving per hour is shown by the function f(x) = 2x + 1. Find the number of customers that arrived in the 6th hour. Thanks

### algebra & trigonometry

The profit of an organization is calculated by the function P(x) = x2 – 4000x + 7800000, where x is the number of units sold. If the net profit is 3800000, find the number of items sold. Thanks

If θ is an angle in standard position and its terminal side passes through the point (−3,2), find the exact value of cscθ . I know the answer...but i want to know how you get the answer... The answer is radical 13/2

The Vietnam Veterans Memorial in Washington, D.C., is made up of two walls, each 246.75 feet long, that meet at an angle of 125.2°. Find, to the nearest foot, the distance between the ends of the walls that do not meet.

### Trigonometry

I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l 0.59 3pi/10 l 0.81 ...

the playground at a daycare center has a triangular-shaped sandbox. Tow of the sides measure 20 feet and 14.5 feet and form and included angle of 45 degree. Find the length and the third side of the sandbox to the nearest tenth of a foot.

### Maths trigonometry

using basic trigonometry derive the following equations, which are used to convert cartesian to polar coordinates and vice versa. why is the cos(phi)in the x term? x = R cos (phi) sin (lamda) y = R sin (phi) they are used in orthogonal projection of a spherical surface to a ...

### algebra/trigonometry

What are the values of theta in the interval 0degrees less than or equal to theta less than or equal to 360 degrees that satisfy the equation tan theta - radical3=0

### College Algebra and Trigonometry

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the displacement s 1.5 inches.

### College Algebra and Trigonometry

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the displacement s 1.5 inches...

### College Algebra & Trigonometry

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight is pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=2cos(5ðt+ð/3). Find the first two times for which the displacement s 1....

### College Algebra and Trigonometry

Two guys wires for a radio tower make angles with the horizontal of 50 degree and 49 degree. If the ground anchors for each wide are 150feets apart, find the length of each wire assuming the wires are straight and find the height of the tower?

### algebra & trigonometry

Jerry wants to purchase some items whose cost function is , where x is the number of items. If Jerry spends between \$50 and \$80, find the minimum and maximum number of items that he can purchase.

### algebra & trigonometry

Jerry wants to purchase some items whose cost function is , where x is the number of items. If Jerry spends between \$50 and \$80, find the minimum and maximum number of items that he can purchase. Thanks

### Algebra/Trig

To ensure safety, the recommended angle that a ladder leaning against a building makes with the ground is 75 degrees. Will a 12 foot ladder reach a window 10 feet above the ground if it leans against the building with this angle? Use trigonometry to justify your answer.

### Trigonometry - Proof

Prove that cot x + tan x = csc x * sec x whenever both sides are defined. I tried rewriting all sides in terms of sin x but it got all complicated and I can't make head or tail of it. Could someone assist me? Is it all just a pound-out algebra problem in essence? How do you ...

sinxcosx=0,x=?

### Trigonometry

What is the arcsin of (pi/2)?

### trigonometry

what is sin 35=x/6

sin x= -1

### Trigonometry

Find m < D if d=10, e=8 and m< E= 43

expand ( 5d-1) 4

### Trigonometry

v=2(ab+bc+ca), solve for a

### Trigonometry

Simplify i^45. A. 1 B. i C. –1 D. –i

### Trigonometry

If g(t) = 5t+1 and h(n) = 2(n - 7), what is the value of h(g(3))?

### Trigonometry

n-1/n divided by 1+1/n

### Trigonometry

if cot 2x = 5/12 with 0<=2x<=pi

### math

what does trigonometry mean?

### math

what does trigonometry mean?

### Trigonometry

cos2x(2cosx+1)=0 x=?

### Trigonometry

What is the cosecant of the arccot of 3?

Factor 1-sin^3x

### Trigonometry

sin (4x) = .5 what are the 4 solutions? How did you get them?

### Trigonometry

Explain why {y||y| ¡Ü 1} is the same as [-1,1].

### Trigonometry

What does SOHCAHTOA mean?

### trigonometry

2 cos^2=1 [0, 2pi)

### Trigonometry

How do you solve the equation -3x^2 + 3 = 0

solve: 2cosx-1=0

### trigonometry

sinA= 3/5 and C=17 Finding a and b

### Trigonometry

(1+ tan^2x)/(secx)

### Trigonometry

tan^2(x)=-3/2sec(x)