# algebra/trig help please

98,689 results

**algebra/trig help please**

is this graphable??? y=x^2-4x-2

**trig**

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

**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

**algebra-trig help ASAP**

Can someone please help me understand how to graph y=3cos(x/4)-5

**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.

**Algebra II/Trig**

Simplify: (n/4)/(n/m) As my answer I got: 4m Is this response correct? If not, please let me know what I did wrong.

**algebra/trig**

simplify using properties of exponents ? (2y^1/5)^4 ---------- y^3/10 what would that be please hlepp

**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

**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

**algebra/trig**

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

**trig, precalc, math, algebra, trigonometry**

Rewrite: tan(cos^−1 (v)) as an algebraic expression in v. Please help me understand.

**Trig**

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

**trig**

The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s= 2 sin pi t + 3 cos pi t, where t is measured in seconds. (a) Find the average velocity during each time period: (i)[1,2] (ii) [1,1.1] (iii) [1, 1....

**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**

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.

**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**

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°

**algebra-trig**

Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help.

**algebra-trig**

Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help.

**Algebra-Trig Please Help ASAP**

A balloon isin the vertical plane of two consecutive milestones of a road. The angles of depression of the stones as viewed from the balloon are 15 degrees and 17 degrees. Find the height of the balloon if (a) the stones are on opposite sides of the balloon, (b) the stones are...

**Algebra**

ello i need help factoring I haven't had factorin sense Algebra one and now am in Algebra two and our school is screwed up were they shove in a year of Euclidean Geometry and Basic Trig inbetween first two years of Algebra... so i need to factor X^2-12X+35 I can sit there for ...

**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

**algebra 2/trig**

x+5 1 ------- - 1= ------- x^2-2x x^2-2x

**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

**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/...

**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.

**ALGEBRA 2 W/TRIG**

What is the slope for y=3/4x+1?

**algebra 2 trig**

8/2+√6

**Trig Proofs**

Please Help: please solve this proof: cosx- cosy = -2sin(x+y/2)sin(x-y/2)

**Trig.**

Please solve this equation. As you write down the steps, please give me a description on what you did. y^3 - 16y^3/2 + 64 = 0

**algebra/trig**

solve: ln12x = 6

**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.

**TRIG!**

Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6 x=1 - (3/4)sin^2 2x work on one side only! Responses Trig please help! - Reiny, Monday, February 23, 2009 at 4:27pm LS looks like the sum of cubes sin^6 x + cos^6 x = (sin^2x)^3 + (cos^2x)^3 = (sin^2x+cos...

**algebra/trig**

x^2+2x-15=0 solve by completing the square

**Trig/ algebra 2**

if f(x) = sin4x-cos2x, find f(pi/8)

**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**

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**

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

**algebra with trig**

how do you solve an inequality and graph it's solution?

**algebra 2 / trig**

what is the square root of negative 150?

**algebra 2 trig**

express the product of (2/3x^2-1/2x) and (12x+4/5) as a trinomial

**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

**trig**

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

**trig**

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

**Algebra 2 with trig**

Simplify the rational expression. 2x/x^2+4x+3 divided by 1/x+3 plus 2/x+1

**algebra 2 trig**

i need to find out how to solve this problem: 9x+2 7 ---------- + --- 3x^2-2x-8 3x^2+x-4

**ALGEBRA 2 W/TRIG**

identify the equation of the line through (-7, 10) and horizontal

**ALGEBRA 2 W/TRIG**

identify the equation of the line through (-2, 1) and parallel to y = 3x + 1

**algebra-trig help asap**

x=sec^-1 2 I really need help with this problem. Thanks

**algebra 2 trig**

if log3=a then log300 can be expressed as? 1) 100a 2)a+2 3)100+a 4)3a

**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.

**Pre-calc, Algebra, Trig**

(2x squared-3x +1)(4)(3x+2)cubed (3)+(3x +2)raised to the 4 (4x-3) Simplify

**Algebra 2 with Trig**

what is the index of three with the square root of negative 432

**trig**

Solve for x please? x/x+3 - 1/x+2 = x/2x+4

**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**

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.

**Algebra & Trig**

calculate the velocity of 10 meters per second with an angle of 30 degrees

**pre-cal/trig**

PlEASE help me with this!! I need it as soon as possible....... cos(x-(pi/4))+sin(x-(pi/4))=1 Find the answer from 0 to 2pi. When I slove this, I got cosx+sinx=(1/ square root of 2). then I don't know what to do the rest. Please help me.

**Trig**

what are the rectangular coordinates of (-2(pi/6))? please help.

**trig 30**

Please help I need to solve the following question for x, where 0<x<2pi. and then write a general solution for the equation. The question is 2cos^2 x + cos x =1. I need to solve this using radian measurement. I solved it using algebra and was told I wasn't allowed. Could...

**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

**Algebra 2/trig**

How would I calculate the following function value? tan = 29degrees 36feet

**Algebra 2 / Trig**

Given cos X = -0.147, find two possible values for X that are not co-terminal.

**trig**

Please evaluate cos 15 degrees

**trig**

cos2(120degrees) help me solve this please

**alg2/trig**

The expression a/a-b + b/b-a is equivalent to a) 1 b)-1 c) ab/a-b d)a+b/a^2-b^2 please help!

**Trig **

cotxcosx/csc^2x-1 Please help me verify

**Trig **

Please help me to simplify using identities 1+tan^2x/tan^2x I don't really understand how to do please help

**algebra-trig help asap**

Evaluate the expression. Assume that all angles are in quadrant 1. 1. cos(arccos4/5)

**algebra-trig help asap**

Evaluate the expression. Assume that all angles are in Quadrant I. 14. tan(arccos 3/5)

**Trig**

tan 75 (show all work please)

**Trig-help please**

Sin23=p write cos113 in terms of p

**trig**

What is the exact value of 11pi/8? (with steps please) :)