Stephen K.

Solve the equation using Quadratic Formula and a Calculator. Find the solutions in the interval [o,2pi). Round answers to 4 decimal places. sin^2 x - sin x -1 = 0

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Precalculus

11/11/20

precalculus question

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=5 and a root of multiplicity 1 at x=−3. The y-intercept is y=−30.Find a formula for P(x)

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Trigonometry

11/10/20

find the equation of sin wave

Find the equation of a sine wave that is obtained by shifting the graph of y=sin(x)-to the right 7 units and- downward 7 units and- vertically stretched by a factor of 2. y=

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Trigonometry

11/10/20

sin cos and tan question, need to find sec csc cot sin

suppose:sin (x)=0.2cos (x)= -0.4tan (x)= 8.5then:sec(-x)csc(-x)cot(-x)sin(-x)= BLANK

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Calculus Precalculus Pre Calculus

11/10/20

Factor the trigonemetric expression: cot^2(x) + cscx - 1

How do I go about factoring this trigonometric expression. I am quite confuseed.

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Geometry

11/09/20

Write the equation of a line that passes through (6,-5) and is perpendicular to y=3x-2 NEED HELP

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Answers •2

Trigonometry

11/08/20

Find exact value of sin2u, cos2u, and tan2u

Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the double-angle formulas. cos(u) = − 15/17 , 𝜋/2 < u < 𝜋

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Answers •1

Precalculus

11/08/20

PLEASE, please help quick question on Sin/Cos!

I am using the data points with a min of (1,36) and max of (7,81). What is the amplitude, period, vertical shift, and horizontal shift also known as the A, B, C, and D values? what would the sin... more

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Algebra 1

11/06/20

can you please help with this graphing problem

Which is an example of a directly proportional relationship with a constant of variation equal to 25? Selected:a. This answer is incorrect. b. c. d.

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Math Calculus Precalculus

11/06/20

Find y ′ by implicit differentiation. x * e^y = y * sinx

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Precalculus

11/06/20

Find the average rate of change of the function r(x)=x^3−2x^2−15x+3 from x^1=−2 to x^2=1.

Answer: The average rate of change is

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Trigonometry

11/05/20

Find a possible formula for the trigonometric function whose values are in the following table

x= 0,3,6,9,12,15,18y= -3,-6,-3,0,-3,-6,-3y=

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Trigonometry

11/05/20

Help with this question please

A population of rabbits oscillates 22 above and bellow and average of 76 during the year. hitting the lowest value in January (t=0). Find an equation for the population, P, in terms of the months... more

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Trigonometry

11/05/20

Can someone help me with this word problem?

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperate varies between 62 and 98 degrees during the day and the average daily temperature first occurs... more

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Precalculus

11/05/20

how to solve thia one when divided in half. Thank you!

If cos(x)=3/8, and x is in quadrant I, determine the exact value of each of the following. Use fractions and radicals only, no decimals.sin(x/2)= cos(x/2)= tan(x/2)=

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Answers •1

Algebra 2

11/05/20