alg/trig

4,385 results, page 14

Trig

Give the exact value of the trigonometric function: arctan(√3)

trig

Verify the identity: sin(x+y)/cos(x-y)=cotx+coty/1+cotxcoty

trig

how do i find the corresponding function formula and check the symmetry algebraically

trig

Complete the general solution to y = arcsin -. y=____±2k IM lost please help

Math (trigonometry)

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

Trig

(2-2i)^5 find the given power write answer in rectangular form

trig

(2-2i)^5 find the given power write answer in rectangular form

trig

solve the equation 2 sec x- tan x = cot x for the interval 0 to 360

trig

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

Maths 3u trig

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

Trig

verify following trigonometric identities. 1/sec0tan0 = csc0 = sin0

trig

when finding consecutive odd integers why would you use n, n+2 and n-2 rather than n, n+2 and n+4

Calculus....

can you show me how to maniplate this using Trig subtitution... integral dx/4+x^2 x is bounded on [-2, 2]

trig

determine an exact expression for the trigonometric function sin(13pi/12).

math Trig

find each ratio to 3 decimal places cot245degrees sec74degrees how do i do this?

Algebra 2 with Trig

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

trig

triangle has sides 200,172 and155 find area

trig

How do you write the quadratic equation with integer coefficients that have the roots 7-3i and 7+3i?

math

what is 7-2i in trig form? and if u=3j and v=7i+j what is the dot product of u times v don't get this one because there are no i terms for u thanks

Trig

Determine the frequency of y = 2 - 3 cos 10x. (nearest tenth) Please help

Math/Trig

Convert 2pi/3 radians into degrees please

Trig

f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.

trig/functions

what does y=2 sin (x-pi/ .5) -1 look like on a graph with the 3 phases of the function?

trig

convert to degrees, minutes and seconds 3pi/2 radians can u plz help

trig

using the given point (9, squareroot 19) find the value of cosx

trig

If an equilateral triangle has a side of 10 ft what is its altitude to two significant digits

Math calculus-Trig

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

trig

solve for exact value for x between 0 and 2 pie 3sin2(x)-cos2=2?

Trig

Rewrite cos(tan^-1(v)) as an algebraic expression in v. Can someone help me with this problem? Thanks

trig

find the least positive value of @. sec (4@+10)cos(3@+17) @=theta

trig

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

Trig

Evaluate (if possible) the sine,cosine, and tangent of the angle 10pi/3

Geometry

30-60-90 triangle has a hypoteneuse of 10 use trig to find the short side

trig

find the value of alpha cotalpha=1.3692847 is 0.023903 correct?

trig

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

trig

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

alg2/trig

Which expression is defined for all real numbers? a) x + 3/x^2 b) 5/(x + 2)^2 c)4/(x − 2)^2 d)7/x^2 + 3

trig

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

Trig

Find all real numbers that satisfy the equation. 2 cos x + 1 = 0

trig

Find exact value of the expression. sin( 27pi/4 + 17pi/6)

trig

find all the values of x that satisfy the equation: 2sin^2(x) + 1 = 3sin(x).

trig

-Find sin(x+y), cos(x-y), tan(x+y) and the quadrant of x+y sinx=-3/5, cosy=-7/25, x and y in Q3

trig

find sin of theta if cos is less than 0 and cot equals 3

trig

cos t=.7, tan t<0. find the values of the other 5 trigonometric functions.

trig

find all solutions of 2sinx=1-cosx in the interval from 0 to 360

trig

Find the exact value of the trigonometric function. -cot(pi/4 + 16pi)

trig

Find ALL solutions to the equation on the interval [0, 2pie]: 2sin(1/2X) = 1

Trig

sinAsin2A+sin3Asin6A+sin4Asin13A/sinAcos2A+sin3Acos6A+sin4Acos13A = tan9A

trig

in this right trianlge ABC, m<c=90, m<a=63, and AB=10. if BC is represented by a, then which equation can be used to find a?

Trig

Solve Sinx=Cos2x-1 for all values between 0 and 2pi

TRIG

IF Y=5+7C0S 4(0-7). FIND YWHEN 0=42 DEGREES. SMALLEST POSITIVE VALUE OF 0 FOR WHICH Y=1.5

Trig

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

algebra-trig help ASAP

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

trig

Determine whether the vectors are parallel, perpendicular or neither. 1) v = (4,1), w = (1,-4) 2) v = (2,3), w = (4,6) 3) v = (2,3), w = (3,-3) Please and thanks!

trig

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

trig

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

trig

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

TRIG

Given that tan¤=3/4 and ¤ is in the second quadrant find sin2¤ (¤=theta)

TRIG

Given that tan¤=3/4 and ¤ is in the second quadrant find sin2¤ (¤=theta)

Trig

verify the following identity: cos(A-B)/cosAsinB=tanA+cotB

Trig

verify the following identity: tanx+cotx/cscx=secx

Trig

verify the following identity: 2sinxcos^3x+2sin^3cosx=sin(2x)

Caculus:Integration Inverse Trig

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

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

Precalc/Trig

what angle does the line y=6/7x make on the xy plane with a positive x axis?

Precalc/Trig

what angle does the line y=6/7x make on the xy plane with a positive x axis?

Precalc/Trig

Find the smallest positive number t such that e^sin(t)=1/2

trig

use an angel sum identity to verify cos2theta = -2cos^@-1

Math

What is the inverse trig function cotangent of square root of 3/3? What is the value?

trig, math

Which of these functions has period 7? A)y= cot 7/pi x B)y= tan pi/7 x C)y= sin 7/pi x D)y= cos pi/7 x

Trig

Determine the number of triangles with the given parts. b=24 c=29 B=40deg I got 1

trig, math

Given triangle ABC with a = 16, b = 14, and β = 54°, find the value of c.

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

Trig 2

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

trig

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

Pre-Calc/Trig...

Use the discriminant to determine the nature of the roots. 1. 2x^2+5x-3=0 2. -x^2+x+1=0

trig

if x is a positive acute angle, then express tan(180+x) as a function of x

Pre-Calc/Trig...

Write the equation y = log x in exponential form.

Pre-calc/Trig

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

trig

If cos A= -6/7, in quadrant 2, determine the exact value of tan 2A I don't understand how to do this?

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.

Maths trig

Sketch the graphs of f(x)=3overx+1 and g(x)=-2x-4 on the same set of axes

Pre-calculus/ trig

Given the vectors a= (-1,9) and b= (4,2) explain the difference between a-b and b-a. Thank you for your help! :)

trig

2(sinx)^2-5cosx-4=0 Solve for all solutions between [0,2pi]

Trig

Just confused. Given tan(A) = 2 and A is in Quadrant I, find sin(2A). A. 0 B. 1 C. 1/2 D. 4/5

Trig

Use the half-angle formula to simplify (sin4theta)/(1+cos4theta)

Trig

find all solutions of 2sinx=1-2cosx in the interval from 0 to 360

Trig

2+1/3tan(theta)=2 I know that tan=0 0,180 But i don't know how to figure it out. Please help.

trig

Find all solutions in the interval [0, 360) 8cos^2x+6cosx+1=0

Trig help

Which of these is equivalent to 3π/5 rad ? A) 108° B) 150° C) 216° D) 300° I'm thinking A

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 and solving a system ...

Alg 1

Factoring to solve quadratic equations: Use the Zero-Product Property to solve each equation. Write your solution in roster form: The volume of a storage tub shaped like a rectangular prism is 24 ft^3. The height of the tub is 3 feet. The width is w feet and the length is w+...

alg

a garden has width ã13 and length 7ã13. whats the perimeter of the garden in the simplest radical form a) 14ã13 units b) 16ã13 units c) 91 units d) 8ã13 units

alg

solve equation g+4/g-2=g-5/g-8 another qustion an elliptical track has a major axis that is 80 yrds long and minor axis 72 yards long find an equation for the track if its center (0,0) and the major axis is the x axis

trig

Determine the height of a tree which casts a shadow of 13.7m when the sun is at an angle of 28 degrees.

trig

Find all angles of a right triangle RST given that r = 18cm and s=20 cm

trig

What is the amplitude of y = (3sinx/2) + 4? Any link of proof would be appreciated if you have one Thank you

trig

Solve without using a calculator or tables cos(5pi/6 + pi/4) Thank you Reiny!:)

trig

Solve for the unknown. Assume that all of the angles are acute. 1. U = 69 A = 75 AN = 56 NU = ______ is this right NU= 92.05

trig

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

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