# alegbra/trig

3,801 results

Algebra
Please help me with these alegbra problem! Factoring by grouping by + ay + bx + ax=

Alegbra
Evaluate the given expression for x= -9. -6x-4= I need help understanding.

Alegbra
I need help understanding this problem. ​(Simplify your answer. Type a whole​ number.) 3^2 3^3=

alegbra
what are the next three terms in the sequence? 5,-9,19,-37,75, ___, ____, ____

ALEgBRA 2
Give the domain (that is, possible values of x): 1. y= 2[SQRT(x - 1)] 2. y=-[SQRT(4 - 3x)] + 6

Alegbra
Use properties of exponents to simplify the given expression. First express the answer in exponential form. Then evaluate the expression. 3^2 3^3=

math
Alegbra-Find the missing measurement 5 in. plus blank = 1ft 47cm plus blank = 1m

Alegbra
15000 = (4/3)(pi)R^3 Solve for R. How do I solve for R

Alegbra
A study recently confirmed that of every 100 citizens of a certain state 40 are considered overweight . There were 288 million citizens of this state in 2001 . how many would be considered overweight

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

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

ALegbra
If an apartment complex will need painting in 3 1/2 years and the job will cost \$25,000, what amount needs to be deposited into an account now in order to have the necessary funds? The account pays 8% interest compounded semiannually. (a) State the type of the problem. future ...

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

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.

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.

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

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?

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

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?

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)

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 ...

Math trig
Hello guys. I am just wondering if tan^2 A (tan squared A) = sin^2 A /cos^2A And 2tan A = 2sin A / 2cos A This has been bothering me when I have to simplify trig. Thanks in advance.

trig
Find the exact values of the other trig functions of theta given sec theta=7 and sin theta is less than 0.

Trig identity.
I need help with verifying these trig identities: 1) sin4x = 4sinxcos - 8sin^3 x cos x 2) cos3x = cos^3 x - 3sin^2 x cos x

trig
Prove the following trig identity: 1 + sinx = sinx(1+cscx)

trig
how do i find six trig functions for cos(pi over 2-x)=3/5, cos x=4/5?

Trig
HELP!!!! I don't know how to do the trig identity with this problem csc^4 x-cot^4x= Csx^2 x + cot^2x

trig
how to graph thr trig function f(x)3x-180)+2 and the parent function?

graphing trig functions
for graphing basic trig functions such as y=2sinx or y=1/3cosx, how do you know what the points are to graph with out using a calculator?

Math - Trig
Hi I have a Trig question that i don't understand, can someone please explain how to solve for it using cosine law?? A Clock with a radius of 15 cm has an 11 cm minute hand and a 7 cm hour hand. How far apart, to the nearest centimetre, are the tips of the hands at each time? ...

trig
use trig identities to rewrite: (1/(1-cos4v))-(1/(1+cos4v))

Trig
Prove the trig identity cos(4x)=2-sec^2(2x)/sec^2(2x)

Trig
Prove the trig identity cos(4x)=2-sec^2(2x)/sec^2(2x)

trig
prove the trig identity cos(4x) = 2-sec^2(2x)/sec^2(2x)

trig
Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function. Sec^-1(-2) I got 2pi/3 could someone tell me if that is right? And if not, could someone please explain how to get the answer.

Pre-Cal
[Note: I'm still having issues with identities with regard to trig] Verify the Trig. identities: (a). cot(x+y)=(cotxcoty-1)/(cotx+coty) (b). sin0(cot0+tan0)=sec0 [Note: 0=theta symbol]

Trig
How do i set this trig problem up? PLEASE help me. Find tan (s + t) given that sin s = 1/4, with s in quadrant 2, and sin t = -1/2, with t in quadrant 4.

Trig
A ramp 38' long rises to a platform. The bottom of the platform is 20' from the foot of the ramp. Find x , the angle of elevation of the ramp. Round your answer to the nearest hundredth of a degree. After this question I'm done with TRIG!!! Thanks

trig
how would you verify this trig identity (1+cos(x) / 1-cos(x)) - (1-cos(x) / 1+cos(x)) = 4cot(x)csc(x) ? help please!

trig
please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1- tan 25° tan 5°

trig
please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1- tan 25° tan 5°

9th grade alegbra - geometric sequence
Can you explain how to find explicit and recursive formula of geometric sequence given 2 terms? 23. a<4> = -12, a<5> = -6 ratio: -6/-12 = 1/2 explicit: a<n> = ar^(n-1) -6 = a(1/2)^4 -6 = a(0.37) -0.010 = a??? a<n> = -0.010(1/2)^n-1 recursive: a<n>...

trig
FInd the exact value pf the 6 trig function of alpha Given: point (-2,-6) on the terminal side of the angle in standard position sin alpha cos alpha tan alpha sec alpha csc alpha cot alpha

trig
Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function. Sec^-1(-2) Sec^-1(-sqrt2) Tan^-1(-sqrt3) Tan^-1(sqrt3)

trig
find each value by referring to the graphs of the trig functions. 1. sec 4 pi...i got 0 Find the values for theta for which each equation is true. csc (theta)=1 i got pi over 2 +2 pi n

Trig/Pre-Calc
Need help with current Trig problem for tomorrow: Solve the logarithmic equation algebraically. Approximate the result to three decimal places. 6log3(0.5x)=11 I know to start off the equation you divide by 6. I know the answer is 14.988. I just am puzzled on how to receive the...

math (final trig problem)
Solve for x on the interval [0,π/2): cos^3(2x) + 3cos^2(2x) + 3cos(2x) = 4 I havent done trig for a while so what exactly does that mean in solving for x on that interval and how would i go about doing that? Where are you getting these tough trig questions?? how about ...

trig
How do I prove these trig identities? secx-cosx/tanx =sinx And 1+sinx/cosx+ cox/ 1+sinx=2secx

trig
let P be a point in Q1 such that the slope of the line connecting P to the origin is sq. root of 2 and the distance from P to the origin is 3 units. Find the coordinates of P, state all trig values for angle formed by the line and the positive x-axis, and the measure of said ...

trig
If cos(t)=(-7/8) where pi<t<(3pi/2), find the values of the following trig functions. cos(2t)=? sin(2t)=? cos(t/2)=? sin(t/2)=?

Math/Trig
How would I evaluate these trig functions without using a calculator? U: sin(-13π/6) cot 11π/6 cot(-14π/4) sec 23π/6 Thanks in advance ^^; and if you'd tell me step by step on how to do problems like these I'd be grateful :D

trig 30
For csc^2 A-1/cot A csc A, what is the simplest equivalent trig expression? The answers I have to choose from are sin A, cosA, tan A or csc A, but I don't know how?? csc theta= 1/sin theta but its ^2. Help please I don't even no where to begin

trig
Write the expression and evaluate. There should only be one answer which should match the range of the inverse trig function. Sec^-1(-2) sec^-1(-sqrt2) Cos^-1((-sqrt3)/2) Tan^-1(-sqrt3) Could someone explain how to get the answer as well please.

Trig
Solve the trig equation exactly over the indicated interval. tanθ = 0, all real numbers I know the answer is πn, but I don't understand how they got this. I get that tanθ = 0 on π and 2π on the unit circle, so did they just put n on the end of π ...

College alegbra
A rancher wants to create a fence enclosing 1500 m2 of land. The plot will be divided into two equal areas by an additional fence parallel to two sides as shown in the diagram below. Find the dimensions of the plot which results in using the least amount of fencing. a. Write ...

Trig
Can you please help with this trig question: The angle of elevation to the top of a nearby mountain is 46 degrees. After walking 1 km toward the mountain, you determine the angle of elevation to be 68 degrees. How high is the mountain? Thank you for all your help.

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