first derivation cos^3 (3x)

Q: * Evaluate. [12 [20x cos(5x² - 1)]dx

A: The given integral is   ∫20xcos5x2-1 dx We solve the integral using proper substitution .

Q: Find the value →21. csc (sec- 2) + cos (tan¬1 (– V3))

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Q: Use a calculator to compute sinhx and coshx for x = -3, 0, 5.

A: We use a calculator to find the values.

Q: (sing -Cosx)=1-Sinx COSX 2.

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Q: Verify that (sinx-cosx)2=1-sin(2x)

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Q: (1) / in | (sin-x)° dr

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Q: Find SinZx, Lo52x, Tan2x Cosxニーニ 3. and X terminates in quadrant 2 Sin2x = Cos 2x = tan 2x =

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Q: write sin(3x)cos(6x) + cos(3x)sin(6x) as a single trig function

A: This question is related to Trigonometric identities, we will solve it using given information.

Q: 8. cos x+- +sin x- 3 6.

A: According to the guidelines I have to solve only first question. We can solve this problem…

Q: Graph off (x) = cos2 x - 2 sin x/4.

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Q: How would I simplify (1-sin2x)secx?

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Q: Evaluate ∫tan4 x sec4 x dx.

A: Using the Pythagorean identity we get:

Q: sin x 5 2 0, cos x

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Q: Describe the technique for finding ∫ sec5 x tan7 x dx. Do not integrate.

A: Given ∫sec5x tan7x dx

Q: how can you express cos x in terms of tan x?

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Q: sin 4x dx 1+cos2x

A: To evaluate the integral: ∫sin4x1+cosx22xdx Solution: Let substitute t=1+cos22x Differentiating both…

Q: (cos2x+sin2x)+1=2  ?

A: According to the given question, cos2x+sin2x+1=2 we have to prove L.H.S=R.H.Swe take L.H.S

Q: How can I find tan inverse of 3/2 or any number larger than 1 without a calculator?

A: We have to find value of arctanx,any value of x which is greater than 1.

Q: Is Cscx-1/1-Sinx=cscx

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Q: Show that the equation has exactly one real root. 2x + cos(x) = 0 %3D

A: Our Aim is to show that the equation 2x+cos (x)=0 has exactly onereal root.

Q: 15.sin2x secx- cscx =0

A: The value of x is π/4 + nπ/2

Q: How would I simplify (1+sinx/cosx) + (cosx/1+sinx)

A: Answer and explanation is given below

Q: 2. Explain why (sinx – 2)(cosx + 2) = 0 has no solutions.

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Q: *cosx= 24 sinxyo, cos (x+5") 25

A: Given: cosα=2425, sinα>0 To determine: cosα+5π6

Q: cos² (x) sin (x) dx

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Q: How do I simplify cscx-cos(-x)cotx?

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Q: 5 sin x+1= sin x 4-

A: Factorize the given equation: 5 sin x+1=4sin x

Q: tan x dx sec x+4 cosx 5.

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Q: 9. tanx + secx = COSX 1- sinx

A: tanx+secx=cosx1-sinxsinxcosx+1cosx=cosx1-sinx1+sinxcosx=cosx1-sinx1+sinxcosx=cosx1-sinx×1+sinx1+sinx…

Q: cos xdx 54-sin²x

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Q: Find the exact value of the expression. sin-(- v3/2)

A: GivenSin-1-32By simplification we get that-Sin-132=-arcsin32 Now look the below table  x…

Q: 9. cos(x-)

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Q: Solve: cos 2x - sin x = 0, 0 ≤x <2π.

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Q: If tanx = 2/2 and a < x < find cos- 2 %3D

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Q: 1° cos(3r) dr COS

A: Given, ∫x2cos3xdx  We have to evaluate the integral.

Q: Express cos4t in terms of values of the cosine function with exponent 1

A: Given,         cos4t

Q: Determine the values of θ if 0 ≤ θ ≤ 2π given that cosx = − 0.3178. Explain the process.

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Q: Solve for x: | cosx-2 sin 2x-cos 3x|=1-2 sin x-cos 2x

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Q: If 16(sinx) + 16(cosx)2 10 then x-.. %3D

A: Given that 16(sin x)2+16(cos x)2=10. That is 16sin2x+16cos2x=10. We have to find x value.

Q: tan X sinx, + cosxy %3D Q3: Solve

A: The given differential equation is Convert the equation in first linear ordinary differential…

Q: 2 X-9 Sinx +34 2

A: Hi ! Thanks for posting your question. Since our portal allows to answer only first three questions,…

Q: Determine the values of θ if 0 ≤ θ ≤ 2π given that cosx = − 0.3178. Explain your process.

A: Here we have to find the value of the given eqaution.

Q: cosx 1 1) lim(6x2 sinx sin2x

A: Dear student as per our rule in one session we can only solve one question. Please post the other…

Q: Solve for [0, 2T1]. -Cos (7x) + cos x = -Sin(3x) COs + coS x -sir

A: Given equation is By using the formula we get

Q: Evaluate: ( cos$ 2xdx sin 2x

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Q: Show that the equation has exactly one real root. 8x + cos(x) = 0 %3D

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Q: Write sin 5x cos 9x as a sum or difference. Express your answer with even/odd properties applied.

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Q: Express cos(tan-1(2x + 3)) in an algebraic form.

A: Given costan−12x+3 We have to write costan−12x+3 in an algebraic form. Let θ=tan−12x+3…

Q: What is the greatest possible value for the product of 2-sinx and 3 + cos5x

A: (2-sin(x))(3 + cos(5x)) =6-3sin(x)+2cos(5x)-sin(x)cos(5x)

Q: Ok, I see how sinx derives to cosx using that formula sin^2x + cos^2x = 1, thx it helps

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