f(t) = 3 cos 2t + 3 sin 2t

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A: Given that B=270 degrees.

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Q: 7. Simplify: secx cotx = 1, cos cos sin = CSC

A:

Q: Solve the triangle. AN a=14, b=15, c=19 O (Round to one decimal place as needed.)

A: by using cos law cos(A)=b2+c2-a22bccos(C)=a2+b2-c22ab A+B+C=180

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A: Given an equation of line 3y=6x-6   We are required to finda. Slope of lineb. any point on the…

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A: To simplify the expression cos-xsin-xcsc-x.   Use the trigonomtric identitities. (1). cscx=1sinx…

Q: 28. Calculate the distance across the crests of the acme thread shown below to the nearest…

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A: for positive coterminal angle we add the multiple of 360°given  a=-872°

Q: If sec 0=9, sin 0>0, find the exact value of each of the following for 0≤0<2. Ө (a) sin (20) (b) cos…

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A: use the dot product to find the theta.

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A: Solution:

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Q: If 0 < x < 27, find all values of that satisfy the equation Enter an exact answer, in terms of .…

A: here given that cos3(-x)tan2x + cos3(-x) =(√3)/2 taking common cos3(-x) we get cos3(-x)[tan2x+1]…

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A: Solve the following

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A: Given:- tanα=-73

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Q: Using the sum and difference of cosines formula, find the exact value of cos Enclose numerators and…

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Q: find the exact value of tan 255° using a sum or difference identity

A: NOTE: Refresh your page if you can't see any equations. . use the formula  so here we can write

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A: As we know ⇒cos2A=1+cos2A2

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Q: Newton's Law of Cooling says that the rate at which a body cools is proportional to the difference C…

A: given  f(t)=T0+Ce-ktgiven  freezer temperature is  0° Finitial tenp,erature ia  155° Fafter 5 min…

Q: Deepen Your Understanding Find the coordinates of the points where terminate. 3. .71 4. 품 6. 뜸

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Q: SOLVE THE INEQUALITY AND WRITE THE SOLUTION IN INTERVAL NOTATION x² + 8x +12 ≤0

A: Here we have to solve the given inequality

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A: The given function is y=tan-1x We have to find the domain and range of the function.

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Q: Polar-to-Rectangular Conversion In Exercises 19-26, plot the point given in polar coordinates and…

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Q: 4. Simplify the expression 1 cos²0 - 1.

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