# alg/trig

4,382 results, page 17

### Purdue Trig

A spherical balloon is being inflated so that radius is increasing at a rate of 10 mm/sec.

### trig

half angle formula to find exact value cos 112.5 degree

### MAth Trig

Find the diameter of a circle with an arc length of 32 cm and a subtended angle of 72 degrees

### Trig

Find the approximate value of cot θ​, given that csc θequals=3.5891420 and θ is in quadrant I.

### Trig

In which quadrant would the image of point (5,-3) fall after a dilation using a factor of -3?

### Alg

A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore.

### Alg

A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore.

### alg.

Write the equation of the line that passes through point (2, –6) with a slope of –5. I think this is a pretty easy problem, but I'm making it out to be harder than it really is. here is what I got: y=mx+b -6=-5(2)+b -6=-10+b =10 =10 b=4 the equation that I got is: y=-5x+4 ...

### Alg II

I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equation r(x)=x^4-6x^3+12x^2=6x-13 I used a graphing calculator to find the real roots of 1,-1 Then I did synthetic using -1, and I ended up with the equation x^3-6x^2+2x-13 How do I...

### Alg II

I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equation r(x)=x^4-6x^3+12x^2=6x-13 I used a graphing calculator to find the real roots of 1,-1 Then I did synthetic using -1, and I ended up with the equation x^3-6x^2+2x-13 How do I...

### Math/Trig

From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees respectively. The points and the tower are in the same vertical plane and the ...

### Calculus

so we are doing integrals and I have this question on my assignment and I can't seem to get it, because we have the trig substituion rules, but the number isn't even so its not a perfect square and I just cant get it, so any help would be greatly appreciated. The question is...

### Pre Alg (Check my work?)

1.) In which Quadrant is the point (x,y) located if x is negative and y is positive? II III IV (MY ANSWER) I 2.) Point A(5,-10) is reflected over the Y axis. Write the coordinates of A'. (-8,-10) (8,10) (8,-10) MY CHOICE (-8,10) 3.) At the half-tame show, a marching band ...

### Alg 1

You have 60 megabytes of space left on your portaable media player. You can choose to download song files that use 3.5 megabytes or video files that use 8 megabytes. You want to download at least 12 files. What is a graph showing the numbers of songs and video files you can ...

### Pre-Calc

Consider a triangle ABC. C is a right angle, and side a is opposite angle A, side b is opposite angle B, and side c is the hypotenuse. The measure of side a= 2, side b= 7, and side c= 7.3 How do you find the angle measure of A and B based on the lengths of the sides? SinAngleB...

### Trig

use a graphing utility to solve each equation, rounded to 2 decimal places 1. x^2 - 2sin2x = 3x 2. x^2 = x + 3cos2x

### trig

Use half-angle formulas to find the exact value for the following cot 75 degrees

### trig

Give an equation of a sine function of x which has a phase shift along y of -2 units and a wavelength of 3pi

### trig

Find a polar equation of this conic with focus at the pole and the given eccentricity and directrix. e=2, r cos X =-1

### trig

solve for x 6tanx - 4sinx = 1 i tried it but got a quartic formula :S 16sin^4x + 8sin^3x + 37sin^2x - 36 = 0

### trig

Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help sin (-pi/12)

### Trig

I was just wondering if anyone can explain the Law of Sines- "Ambiguity Case" to me, in a way that is easy to understand.

### trig

write down the value (corect to three decimal places of:- a) sin64= b) tan21= c) cos67.4=

### Trig.

Why is the arctan of (- square root of 3) 5 pi/6. How come it isn't broken down to 5 pi/3 since I got 10 pi/6 and that reduces to 5pi/3

### Trig

How do I find all solutions in the interval [0, 2Pi): cotx=cscx-1 the answer choices are: a.) x=Pi/2 b.) x=Pi/2 and 3Pi/2

### trig

which of the following sets gives the x coordinates where the parabola y=x^2+4X-50 and the line y=7x-10 intersect when drawn in the coordinate plane

### trig

which of the following sets gives the x coordinates where the parabola y=x^2+4X-50 and the line y=7x-10 intersect when drawn in the coordinate plane

### math, trig

What is the exact value of the cos of 23pi/12? (Twenty-three pi over 12, which is = to 345 degrees.) Thank you

### trig

find, to the nearest degree, the solution set of 4 cos^2x-1=0 in the intervak between )degrees and 360degrees.

### trig

ind, to the nearest minute, the solution set of 4 cos x + 5 = 6 sec x over the domain 0 degrees

### trig

find the exact value by using the appropriate half-angle identity: sin(5pi/12)

### trig

find the 5 other thrig functions if cos(theta) = square root of 2/2 and cotangent is less than 0

### Trig

Determine the roots of the function f(x)=-2cos(3x)-1. Can you please show all the work so it is easier to understand, thank you!!

### trig

how to do the calculation while taking 'A' as 15 in the half angle formula used for calculating the value of sin 7.5 ?

### Trig math

how to split up using sum and difference identities cos (13pi/12) PLeaseeeeeeeeeee help!!! thanx a million

### trig

Find altitude of isosceles triangle if angle=53 degrees (the equal angles) and the base is 8 inches.

### Math/Trig

Write an equation for a cosine function with an amplitude of 2/3 , a period of pi, and a vertical shift of 2 units up.

### Pre-Cal: Trig

The point (7,2) determines a poistion angle "t". Find the exact value of sin(t).

### Pre-Cal: Trig

The point (7,2) determines a position angle "t". Find the exact value of sin(t).

### trig

How do I find the exact value of sin2x when secx is equal to the negative square root of three

### trig

given a central angle of 66 degrees find the area of a sector in a circle of radius 12.1 inches

### trig

A right triangle has sides of length 5, 12 and 13. What is the sine of the angle opposite the hypotenuse? (A) 1 (B) 5/12 (C) 5/13 (D) 12/13 (E) None of the above.

### trig

simplify (sec^2x + csc^2x) - (tan^x +cot^2x) to either a constant or a basic trigonometric function.

### trig

Find the exact value of the trigonometic function at the given real number of cot(5pi/3)

### Pre-calculus

find the trig functions of angle x if the terminal side of x passes through the point (-12, 5).

### trig

All solutions in interval [0,2pi) of cosine theta plus one equals zero

### trig

All solutions in interval [0,2pi) of cosine theta plus one equals zero

### trig

If S is an element of [ 3pi/2 , 2pi ] what quadrant does the terminating side lie in and evaluate for sine theta

### Math- Trig

In an oblique triangle ABC, A=30 degree, and the perpendicular from C to AB is 12 inches long. Find the length of AB.

### Trig

Which trigonometric function can equal or be greater than 1.000? A Sine B Cosine C Tangent D none of the above

### Trig

If sin = 2/3 and is a second quadrant angle, determine the exact value of sec^2 could be a. 5/9 b. root5/3 c. 9/4 d. 9/5 Please help.......

### trig

if you are riding on a ferris wheel that is 60 ft tall and it takes you 5 minutes to make 1 revolution, what is your linear velocity?

### alg2/trig

what is the smallest value of k that would make the roots of the equation x^2-2x-k imaginary? please help, no idea how to do this.

### trig

Use a ratio identity to find tan(θ) if given the following. sin=6/sq rt 37 and cos 1/sq rt 37

### trig

Find the exact value. Without using a calculator a) cos (-17pi/6) b) sec (3pi/2)

### trig

If point (3, -8) lies on the terminal side of an angle A in standard position, find: a) sinA b) tanA

### trig

What is the length of the circular arc intercepted by a central angle of 20degrees in a circle with a radius of 5cm?

### trig

use the discriminant to solve for the smallest value of b that would make the roots of the equation x^2+bx+5=o imaginary

### trig

Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)

### trig

Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)

### college Calculus Help!

Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3 ---> i hate trig. 3. y=4sec5x 4. y=xsin√x

### college Calculus Help!

Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3 ---> i hate trig. 3. y=4sec5x 4. y=xsin√x

### Trig Proofs!

I'm having trouble solving this proof. Can you help? cos^3+sin^3/cosx+sinx = 1-sinxcosx Thanks!:)

### Trig.

finnd a possible measure of the angle drawn in standard position that passes through the points (ã2,-ã2)

### trig

SOlve over (2,pie) and find the general solution in radians. 2sin3x = square root of 2

### 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

Consider the trigonometric function f(t) = -3+4cos(pi/3(t-3/2)) What is the amplitude/period of f(t)? What are the maximum and minimum values attained by f(t)?

### trig

If x and y are complementary angles and 5 tan x-12=0,calculate by using a diagram the value of 2sin(squared)x+cos y.

### trig

solve equation for the exact solutions if possible put answer in degrees. 2tanx/3-tan^2x=1

### Precalc/Trig 1

What equation would you use to show that the point ((square root of 11)/(6), (5/6))is on the unit circle?

### trig

Suppose that the point (x,y) is in the indicated quadrant. Decide whether the given is positive or negative. 25.) II, x/r 26.) III, y/r 27.) IV, x/y

### trig

(sec^2x-1)(csc^2x-1)=1 prove the following identity ive been stuck on this for hours please help

### Trig identities:(

Sin4A - cos4A = sin2A - cos2A Can i just square root the left side??:O

### trig

solve exactly over the indicated interval: cot(theta)=0, all real numbers

### MATH -

Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged?

### Math Help

Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged?

### trig

use an identity to write the expression as a single trignometric function. squ root 1-cos48°/2

### trig

Write the complex number in trigonometric form, using degree measure for the argument. -12 - 16i

### trig

use a half-angle identity to find the exact value of tan 105 degrees.

### Trig

How do you solve this problem? y = 2sin 3x + 4sin 2x I haven't done these types of problems for awhile and have forgotten how to do them.

### trig

A and B are positive acute angles. if sin A=4/5 and cos B=8/17 find the value of tan (A-B) is the answer =43/100

### Pre-Calc/Trig

Helpp please State the domain and range of each of the following functions: 1. f(x)=1/(x+3) 2. g(x)=√x+6 3. h(x)=x^3+2x+5

### Math (Trig)

Rewrite the following expression in terms of tan3x: (sin2x + sin4x)/(cos2x + cos4x)

### Pre-Calculus/Trig...

Help Please For the function defined by: f(x)= (x^2,x≤1) (2x+1,x>1) Define f(0). and also how would i graph f(x)?

### Pre-Calc/Trig...

Am i correct? A vertical shift is an example of a non-rigid transformation. True

### Pre-Calc/Trig

I have looked this up, but still cant figure out what it is.. What is the projectile motion function?

### Pre-Calc/Trig...

Help me please Is the given linear expression a factor of the polynomial? Show work. f(x)=2x^3+x^2-5x+2; x+2

### Pre-Calc/Trig

Help me please. List all possible rational zeros for the polynomial function. p(x)=3x^3-2x^2-5x-2

### Pre-Calc/Trig

Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x

### Pre-Calc/Trig...

Which of the following could be an example of a function with a domain (-oo,oo) and a range (-oo,2)? Check all that apply. A. y= -(3)^x+2 B. y= -(3)^x-2 C. y= -(0.25)^x+2 D/ y= -(0.25)^x-2

### Trig

Find the arc length of a circle that has a central angle of 270 degrees and a radius of 10 yards.

### Trig

Find the length of a chord intercepted by a central angle of 25 degrees in a circle of radius 30 feet

### Trig Question

Find solutions of the following equation which lie in the interval [0,2pi): 6cos(3theta)/(2)+3=0

### Trig/PreCalc

Use an algebraic method to eliminate the parameter and identify the graph of the parametric curve. x=5-3t y=2+t -1<-x-<3

### trig

Suppose that θ is an angle in standard position whose terminal side intersects the unit circle at , −15/17,−8/17

### elem alg

On a certain test, the student gets 3 points for each correct answer and loses 2 points for each incorrect answer. The test has 37 questions total. (no question can be lfet blank.) If x is the number of answers a students gets correct, write and express fro the students total ...

### Alg 2 HELP!!

1.) Find an exponential function of the form y=ab^x whose graph passes through the points (2,48) and (5,3072) 2.) The variables x and y vary inversely. Use the given values to write an equation relating x and y. Then find y when x=3. x=6, y=-1 3.) The variable z varies jointly...

### geometry/trig

Initially a fifty foot ladder rests against a wall. As I start to climb it, the ladder slides down, finally stopping such that the ladder touches the wall at a point 8 feet below where it originally touched the wall. During the slide, the base of the ladder slid 16 feet from ...

### alg. Connections

Lucy wants to be exempt from her semester exam. In order for that to happen, she has to average an 85 over 3 test grades. Her first 2 test grades were 81 and 86. What does Lucy need to make on her third test in order to have an exact average of 85 and be exempt from her exam?