# alg/trig

4,347 results

alg/trig
9/x + 9/x-2= 12

alg and trig
6x^3-5x^2+15x+5 / 2x^2-x+3

Alg & Trig 2
find the sum of 1/2, 2/7x, and 5/x

Alg & Trig 2
find the sum of 1/2, 2/7x, and 5/x

Alg. II/Trig
If m and n are real numbers, i^2=-1, and (m-n)-4i=7+ni, what is the value of m?

Square root of 300

Alg/Trig
Write an equation of a circle with center (2, 3) and radius 4.5.

Alg/2 Trig
Given the functions f(x)=-x^2+7 and g(x)=3x+4 find f(g(-5)) Write the composition above using an alternative notation.

Solve to the nearest minute: x is greater than or equal to 0 and less than 360. 3sec^2 x-8tan-6=cotx

I need help simplifying this expression: (3x^3y^5 + 6x^2y^-2/6x^5y^-2)^2 (3x^3y^5 + 6x^2y^-2/6x^5y^-2)^2 the second term has a y^-2 in the numerator and denominator, so.. (3x^3y^5 + 6x^2 /6x^5 )^2 (3x^3y^5 + 1 /x^3 )^2 I am not certain much more can be done to simplify it.

ALG 2/Trig
A new \$12,000 automobile decreases in value every year. What is it's value 7 years from now?

math i need help
What is the simplified form of each expression? 1. Alg 1 (1 point) A.Alg 1 B.n4 *** C.n8 D.n12 i think it's B

Alg II/Trig
A parabola has a vertex at (0,0); a horizontal axis; and the point (12,6) is on the parabola. Write the equation of the parabola in standard form.

Alg/Trig
If h= -16t^2 + 112t represents the height of a​ rocket, in​ feet, t seconds after it was​ fired, when will the rocket hit the​ ground? (Hint: The rocket is on the ground when h equals=​0).

pre alg
How do u find the GCF with exponets in a 7th gr. pre alg. class?

Math Course
I was thinking about math courses for next year, and I do not know what I'm going to take. What is the differences between Alg 3 and Advanced math? And also, and does Trig involve? And I'm too scared of calculus to take it.

Alg 2 trig
Write a sine equation for period= pie, amplitude=1/2, vertical shift up 1 and phase shift left pie/4. How would the equation be written?

How would you solve tan(-335) without using a calculator? I got it to tan(25) but that's not one of the ones on our chart, and I'd use a sum or difference identity but we never learned one for tangent, if one exists.

Alg 2/trig
I am doing Geometric sequences, but I cannot figure out how to find the Nth term of a geometric sequence. The problem is A1 = 64, Ak+1 = 1/2Ak (That is supposed to be A sub one, A sub k + 1, etc.) The formula for finding the equation is: An = A1 x R^n-1 The answer is: An = 128...

Alg II
So in our Alg II class we're studing variables and functions, and from the situation given we are to figure out the equation. "In a lighting storm, the time interval betwee the flash ad the bang (f) is directly proportional to the distance between you and the lighting (m)." ...

Alg 2/trig
I have the answers to the question, but I have no on how to get the answers. State the quadrant in which theta lies. Cos X < 0 and Sin X > 0 (Answer is 2) Tan X < 0 and Sin X < 0 (Answer is 4) Cos X > 0 and Tan X > 0 (Answer is 1) Cot X < 0 and Sec X < ...

Alg/Trig
The angle of elevation from a point on the ground to the top of a tree is 39.8 degrees. The angle of elevation from a point 51.7 ft farther back to the top of the tree is 19.7 degrees. Help find the height of the tree.

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

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

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

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

ALG/TRIG
I cannot seem to get the right answer. Animal Pulse Rate According to one model, an animal’s heart rate varies according to its weight. The formula N(w)=885w^-1/2 gives an estimate for the average number N of beats per minute for an animal that weighs w pounds. Use the ...

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

Alg 1
The popultion of Medford High is 800 students & the population of WEstville High is 1240 students. Medfords pop. has been increasing by 30 students per year, while westville has been decreasing by 25 students per year. In how many yearas will the populations be the same. how ...

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

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

I need help writing equations for these two word problems: 1. On June 30th, Mr. Hester will be given \$1,000,000 and in July, Mr. hester will be paid \$100,000 per day. 2. On June 30th, we will set up an account for Mr. Hester starting with \$0.05. Every day in July, the ...

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.

math
how do i solve two step equations? Do you mean two equations in two unknowns? The method of substitution is one way. There is a good tutorial here: http://www.themathpage.com/alg/simultaneous-equations.htm

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.

ALG/TRIG
Lost is an understatement..please help me understand this. Orbits and Distance Johannes Kepler (1571–1630)discovered a relationship between a planet’s distance D from the sun and the time T it takes to orbit the sun. This formula is , where T is in Earth years and ...

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

alg 2.
Why is ln(e^-2) = -2. Why doesn't it = e^-2??

alg 2
ln(2x+1)=5. how do i do this?

alg 2
2/3e^4x +1/3=4...how do i do this

Alg 2
(x^2 + 2x - 4)^2 - (x^2 - 2x - 4)^2

alg
2(-3^8-9)x9

Alg
(2x/2x) + 1 == 1?

alg 2
X-4z=13 5x-4y+z=-7 -5x-5y+2z=22

alg
5x-10/5 ?

ALG
1 r = 1 r1 + 1 r2 for r2

Algebra word problems
The area of a rectangle is found by multiplying the length by the width: A=lw. A certain rectangle has an area os x^2+7x +12. Factor the trinomial to find the length ad width of the rectagle. Please read at this site: http://www.themathpage.com/alg/factoring-trinomials.htm ...

Alg 2
what is (7x-6)(7x-6)=120

alg 2
what is the PRODUCT?

alg
is -6 a solution of -3k=12-k?

alg
how do you simplify 7[-4+8(-5+3)]

alg
Solve: 2 / x - 1 - 3/4 = 5 / x - 1 a) -2 b) 2 c) 3 d) -3

alg
solve: 1 / x + 2 + 1 / x - 2= 1 / x^2 - 4 a)-2 b) 2 c)-1/2 d) 1/2

alg
solve: 2 / x - 1 - 3/4 = 5 / x - 1 a) -3 b) 3 c) 2 d) -2

Alg. 1
10x-5=21-3x

alg 2
3x^2-243=

alg 2
simplify (x^3/4)^3

pre Alg
3(g-3)=6

Alg
solve: x + 8 = 2(x-2) - x

alg
−(6p + 12

alg
(7 − i)(2 + i)

alg 2
xsquared= e (to the x)-2.4

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

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

1. Pages:
2. 1
3. 2
4. 3
5. 4
6. 5
7. 6
8. 7
9. 8
10. 9
11. 10
12. 11
13. 12
14. 13
15. 14
16. 15
17. Next>>

Post a New Question