# alegbra/trig

3,837 results

### Alegbra 1

f(-3) Answer is:

### 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 1

One of two complementary angles has a measure of 6º greater than the other. What is the measures of the larger angle?

### 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=

### Alegbra 1

The difference between the measures of two supplementary angles is 8˚. What is the measure of the larger angle? What is the measure of the smaller angle?

### 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

### 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

### Alegbra

On the second test, the class mean was 80 and the mean girl’s scores was 75. What was the mean of the boy’s scores?

### 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

### Alegbra 1

Mrs. Gifford's class consists of 15 girls and 25 boys. the class mean was 80 and the mean girl’s scores was 75. What was the mean of the boy’s scores?

### Alegbra 1

Mrs. Gifford's class consists of 15 girls and 25 boys. the class mean was 80 and the mean girl’s scores was 75. What was the mean of the boy’s scores?

### 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

### 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

### 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 1

The two equal sides of an isosceles triangle are 11 feet longer than the third side. The perimeter of this triangle is 56 feet. What is the length of the third (nonequal) side

### 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

### 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.

### Alegbra 1

The author of a book on running receives a royalty of 75¢ per copy sold. If the royalty rate is 12% of the single copy price, how much money per copy does not go to the author?

### 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.

### Alegbra 1

This year Frank spends an average of 70 minutes each night doing homework. This is 30 minutes less than twice the time he averaged last year. What was his average time last year?

### Alegbra 1

This year Frank spends an average of 70 minutes each night doing homework. This is 30 minutes less than twice the time he averaged last year. What was his average time last year?

### Alegbra

1. –9x – 5 = –95 a) 17 b) 11 c) 10 d) –10 2. x/4 – 5 = –8 a) –27 b) –12 c) –7 d) 12 3. x/5 + 6 = 10 a) 44 b) 30 c) 20 d) –20 4. –2(m – 30) = –6m a) –15 b) –13 c) –8 d) 8 5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1 Simplify this ...

### 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

### Alegbra 1

Mrs. Gifford's class consists of 15 girls and 25 boys. On the first test the mean of the girls’ scores was 80 and the mean of the boy’s scores was 70. What was the class mean? (Remember the class mean is not just averaging the two means)

### Alegbra

Given: Angle 2 and Angle 4 are vertical angles m angle 2 = 125 degrees Prove: m angle 4 = 125 degrees

### 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.

### 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.

### 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

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°

### 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