# alg/trig

4,424 results, page 15-
## trig

how do i find the amplitude, period, phase shift of y=2 cos(-4t-(-4 pi/3)) -
## trig help again i cant get any of these

sin^4cos^2x=(1/16)(1-cos 2x)(1-cos4x) work one 1 side only! -
## Math (trigonometry)

Find the value of each of the remaining trig functions. Cscè=-4, ð<è<3ð/2 -
## Trig

verify following trigonometric identities. 1/sec0tan0 = csc0 = sin0 -
## Trig

evaluate exactly(without calculator): 1. sec(pi/4) 2.3sin4pi 3. tan240(degrees) -
## Trig

Verify that each equation is an identity. cos^2x+tan^2xcos^2x=1 -
## math

how would you solve for x: (3)^.5sin(2x)-2cos(2x)+2sin^2(x)=1 using trig identites. please help -
## trig

Given that cos A = 5/13 and A and B are both acute angles, calculate the value of Sin2A and Cos2A -
## trig

simplify the expression. (sin^2x+cos^2x) - (csc^2x-cot^2x) -
## trig

Find all angles è between 0° and 180° satisfying the given equation. cos è = 1/9 -
## Math: Solving Trig Equation

9tan (x) - 9 sec^2 (x)/ tan (x) -
## Trig

If 180<A<270 and sinA= -radical(5)/3, find tan(1/2)A. -
## Algebra 2 with Trig

what is the index of three with the square root of negative 432 -
## Trig.

In right triangle ABC, C is the right angle and sinA=(radical 3/2). What is the value of csc B? -
## Trig 2

What is the smallest value for x where y = sin 2x reaches its maximum ...wtf that means. -
## Trig

If sec A =5/4 and A is an angle in Quadrant IV, find the value of cos A. A. -4/5 B.4/5 C.-5/4 Is it choice A -
## Help me trig.

solve the equation in the interval [0,2pi) tan (t/2)-sint=0 -
## Trig

prove that tanA divided by the sinA equals the secA -
## trig

simplify the expression. cos^2x+sin^2x/cot^2x-csc^2x -
## Maths 3u trig

If sinA = 1/3 and cosA<0 find the exact value of tan2A -
## trig

Find arcsin [cos (Pi/2)] The answer is 0. How do you solve this problem? Thanks. -
## Math

Required to Prove the following trig identity: (cos2x)^2 + (sin2x)^2 = 1 -
## trig

use an angel sum identity to verify cos2theta = -2cos^@-1 -
## Algebra 2/trig

How would I calculate the following function value? tan = 29degrees 36feet -
## just wondering...

what is harder, chemistry or physics? because i've been struggling all year in chemistry and i'm taking physics next year... i have a solid a in alg.2 though... oh yeah, and i want to be a physical therapist. so if i'm not to good in chemistry can i still -
## Alg 1

The owner of a hair salon charges $20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from the haircuts were $750. How much does the owner charge for a haircut? Solve by writing -
## Alg. I

A rectangle has a length of 6x^3 y^2 - 1 and a width of 3xy + 2. The formula for the perimeter of a rectangle is P=2l + 2w, where l is the length and w is the width. What is the perimeter of the rectangle? Simplify your answer. -
## College Alg

The intensity I of an x-ray after it has passed through a material that is x centimeters thick is given by I = I0e^–kx, where I0 is the initial intensity of the x-ray and k is a number that depends on the material. The constant k for copper is 3.2. Find -
## trig

find all sets of three consecutive odd integers whose sum is greater than 54 and less than 63 -
## trig

Help find the general solution to:sin^2x-3cosx+sinxcosx-3sinx=0 -
## trig

Which basic trigonometric function has the same graph as y= -cot(x+(pi/2)).Please justify your answer. -
## trig

Help find the general solution to:sin^2x-3cosx+sinxcosx-3sinx=0 -
## trig

Find the focus, directrix and axis of the parabola with equation x= 2y^2+3? Thank you for helping me! -
## trig

find the exact value of each expression. do not use a calculator. Sec 3.14/4 + 2 csc 3.14/3 4 + tan 2*3.14/3 -
## trig

find the values of x between 0 and 2 pi where the tangent line to the graph of y = sinxcosx is horizontal -
## Trig Math

Solve the equation algebraically for x wohere 0 </ x< 2 pi. sin2 x = cos x -
## trig

if p and q satisfy the equation atanx+bsecx=c then prove tan(p+q)=2ac/a2-c2 -
## Calculus 1 Integration Trig Inverse

integral of (4/(x times the square root of (x^2-1)) + (1+x+x^3)/(1+x^2)dx -
## trig

use a sum or difference identity to find an exact value cos pie/12 -
## trig identies 5.3 &5.4

use a sum or difference identity to find an exact value pie/12 -
## Caculus:Integration Inverse Trig

integral of (4/(x times the square root of( x^2-1)) + (1+x+x^3)/(1+x^2)dx -
## trig

hoW to evaluate these if cos=-12/13, A in Q II and cot B =5/12, B in Q III A) Sin^2 A (the sign ^ is power of) -
## trig

Prove the identity. (must work with left side) (1-2sin(x)^2)=(cos(x)^2) -
## Trig

2sin^2(x) = 2 + cos(x) interval [0,2pi) How do I solve this? Help would be greatly appreciated! -
## trig

Solve for x if sin2x=cos(x+60 and x€ [-90,180].show all work details -
## trig

use a half angle formula to find the exact value of cos 75 degree -
## trig

convert to degrees, minutes and seconds 3pi/2 radians can u plz help -
## Pre-calc/Trig

For each parabola, find the vertex and focus. x= (1/400)y^2 y= 1/8(x-3)^2-1 -
## Pre-Calc/Trig...

am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1 -
## Pre-calc/Trig

For each parabola, tell in which direction the graph opens. x= 1/2y^2 y= -1/24x^2 -
## trig

PERIMETER OF A RECTANGLE IS 32CM AND AREA IS 55CM FIND THE LENGHT. -
## 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

write the expression sin4xsin5x as a sum or difference of trigonometric functions -
## trig

Find all solutions to the equation 2cos(2x) = x + 1, correct to 4 decimal places. -
## trig

A sine wave function f(x) = a sin(bx) has amplitude 10 and period 40. What are the values of a and b? (A) a = 10 and b = 20/pi ( B) a = 10 and b = 1/40 (C) a = 10 and b = pi/20 (D) a = 10 and b = 40 E) None of the above. -
## trig

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

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

How do you find an equation of a line perpendicular to y=x at the point (5,5) in standard form? -
## TRIG

find: sin 23pi/12 i got totally the wrong answer how do i approach this? -
## 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

P(2, 9) is a point on the terminal side of è in standard position. What is the exact value of tan è? -
## math - trig

Why cant we solve an oblique triangle with the Law of Sines if we are given SAS? -
## trig

angle a is acute and sin = u. find the other five trigonometric functions in the terms of u. -
## trig

Find all values of x in the interval [0, 2π] that satisfy the equation. 6 sin2(x) = 3 -
## trig

Find the exact value by using a half-angle identity. cos 22.5 degrees -
## pre cal\trig

Find the following cot(Arccsc 25/24) show your work -
## Trig

y=sin(2pi*x-pi) find the amplitude, period, and phase shift -
## Trig

Hi. Can somebody help me solve this equaton with EXACT answers? ----- sin3x = 0 ----- Thankyou! All help is appreciated. -
## trig

Write an expression that gives all solutions to the equation sin x + cos x = - radical 2 -
## trig

how can you find points of a tri equation at orgin 1/4, 1/2, 3/4, and end of the period -
## alg2/trig

If 4x^2+9=kx, what value of k will produce equal roots? the answer is 12 but i don't understand how you get it, please help! -
## 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)? -
## trig

Use half-angle formulas to find the exact value for the following cot 75 degrees -
## Calculus (trig stuff)

given a angle how do I find it's point P on the unit circle? -
## trig

Write the measure in radians. Express the answer in terms of ð -260° -
## trig plz help

Solve, finding all solutions in the interval [0, 2π). tan(3x) = -1 -
## trig

Rewrite 3pi/25 in degree measure. Round to three decimal places. -
## trig

Evaluate each value as a trigonometric function of an angle in Quadrant 1. #1 cos (27pi/8) -
## trig

Give the following for the function: y=2+cos(5x+3.14 Amplitude: Period: Phase Shift: -
## Trig Proofs

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

Find the solutions to the equation cos2x=sinx and 2cos^2x-3cosx-3=0 -
## Trig

Use a cofunction to write an expression equal to csc(4ð/11). I need help solving this problem. Thank You -
## trig

evaluate the trigonometry function using its period as an aid cos(-7pi/3) -
## Trig

Find all solutions of equation on interval [0,2pi] 1=cot^2x + cscx -
## Trig

Find all solutions of the equation on the interval [0,2pi): Tan^2x=1-secx -
## trig

write y=sinx-cosx in the form y=ksin (x+a), where the measure of a is in radians. -
## trig help

Find the equation of the hyperbola satisfying the given conditions. Vertices at (5, 1) and (-7, 1); asymptotes (y - 1) = 1/3(x + 1) and (y - 1) = -1/3(x + 1) -
## math

In right triangle ABC, a = 52 ft and c = 63 ft. Which of the following trig ratios of angle B, would combine the given sides? -
## trig

what is the angle of elevation of a 15 foot ladder leaning 12 feet up a building? -
## Calculus

1. integral (x^3 * sqrt(x^2-4)) dx I'm confused on how to start this problem, if I am doing trig substitution. -
## trig

how come you get different answers if you take different paths in trigonometry? (when you choose to use sin, cos or tan) -
## Math calculus-Trig

Find the area bounded by the curve and the lines y = -x^2 - 4x; y = 1; x = -3; x = 1 -
## trig

How do you find all the solutions of the equation in the interval [0,2π)? 3tan^3x=tanx -
## 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 -
## trig

how do you use doubel-angle formulas to find sin, cos, and tan -
## Trig

help please!: (sinx + sin2x +sin3x) / (cosx + cos2x + cos3x) = tan2x -
## trig

determine the amplitude,period and phase shift of y=-2cos(pix-3) -
## trig

solve the equation 2 sec x- tan x = cot x for the interval 0 to 360 -
## CALCULUS HELP!!!

integrate 1/(x^2sqrt(1+x^2)) i know you have to use trig sub but iono how to cancel out some terms...much help is appreciated -
## Trig

Find the area of the triangle. b=125 c=162 <B=40 (b and c are the sides) (<B is the angle)