Find all solutions of 4(sin(x))² - 8 cos(x) - 8 = 0 in the interval [2π, 4π]. comma-separated list (Leave your answers in exact form and enter them as a X =

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A: Topic:- application of trigonometry

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A: Solution

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A: It is given that: sec2 π9+sec2 2π9+sec2 4π9=S ∑k=189cos6k0=ab where a and bhave no common factor…

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Q: Solve the equation for all degree solutions and if 0° ≤ theta < 360°. Do not use a calculator.…

A: 2cos2θ+9cosθ=-4, 0°≤θ&lt; 360°

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Q: forces. ( Fy 8m b) 300 N 6m Fx

A: Topic:- trigonometry ratios

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Q: Select two expressions equivalent to 15a² – 5a - 11 (Select all that apply.) (14a² − 9a +1)+(a² + 4a…

A: Given; 15a2-5a-11.

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A: For a similar triangle

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A: Our Aim is to find the average rate of change of the function h(x) overthe interval 2≤x≤6.

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Q: there

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A: Let the amount of substance at time t is: y(t)Given:Initial amount of the substance:  y(0)=7600…

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A: since the graph is not zero at x=0,so consider y=cosx as parent function

Q: Solve the equation for all degree solutions and if 0° ≤ (theta) < 360°. Do not use a calculator.…

A: 2cos2θ+9cosθ=-4

Q: 11. Determine the length of DB. E 2.5 cm D B* √13 cm. -3 cm A

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Q: Factor and simplify. Type your answer in terms of sine and/or cosine. 10 cos 20+9 cos 0+2 2 2 cos…

A: The answer is given below:

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Q: from the given ungrouped data: 53, 45, 59, 48, 54, 46, 51, 58, 55 Find the mean, median, and mode.

A: From the given data, it can be seen that the total number of data points, n=9

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A: Recall: Simple harmonic motion

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A: Remember : Double angle formula cos2(A)-sin2(A)=Cos(2A)

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Q: Using Inverse Functions In Exercises 81-86, use inverse functions where necessary to solve the…

A: The given equation is tan2x+tanx-12=0 We have to find the solution of the equation.

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A: We can solve this as follows:

Q: Determine algebraically whether the given function is even, odd, or neither. g(x) = 8x³ + 4.

A: Note: As per our guidelines we are supposed to answer only one question if there are multiple…

Q: Use the quadratic formula to find all degree solutions and ? if  0° ≤ ? < 360°.  Use a calculator…

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Q: What is the length of a rectangular lot that has a perimeter of 630 m and a width of 25 m?

A: calculation  of length of rectangular are as follows

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A: Here we have to find the velocity after 8 seconds

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Q: h = log(x² + y² + z²), Find hx when x = 1; y = xsinx ; z = xcosx a. 0.89 b. 0.86 C. 0.88 d. 0.87

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Q: 5. [-/3 Points] DETAILS Use the trigonometric substitution to write the algebraic equation as a…

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Q: The function for a current is /(t) = 9cos 120nt where / is the current, in amperes, and t is the…

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Q: Siven this unit circle, what is the value of x? 314 O (1,0) X = - √[?] Enter

A: Given query is to find the value of x

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Q: and the cube of z

A: y varies jointly as x and the cube of z and inversely as the square root of w. So,y =…

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Q: Find sin 2x, cos 2x, and tan 2x if cosx=- sin 2x = 0 cos2x = 0 3 15 17 X and x terminates in…

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