Perform the indicated operation: {9 [ cos (138°) + i sin (138°) ] } / { 5 [ cos (21°) + i sin (21°) ] } Give your answer in polar form: [cos ( °) + i sin ( °)]

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A: Given:- Vertices 2,3 ,2,-3  and hyperbola passes throug the point 0,5

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A: Given query is to find the solution of the expression.

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A: Ans=4 For detail...go through the solution...I have solved step by step in detail

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A: To verify the given identity.

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A: Given Equation:- 5cosxcotx=cosx

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A: We know  eiθ=cosθ+isinθ

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A: Consider the figure given below :

Q: im sorry, could you write ikt out on paper? its confusing when typed out and i don't understand

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Q: An employee wants to invest $60,000 in a pension plan. One investment offers 6% compounded…

A: ⇒A=P1+rnnt ⇒P=Initial amount ⇒A=Amount  at time t ⇒n=compounded period ⇒t= Time in years

Q: 7. A b 35° с c = 10 a 40° В

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Q: The variables r and 8 represent polar coordinates. (a) Write each polar equation in rectangular…

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Q: Sketch the graph of the given equation over the interval 1-2, 2n y = cos x - 2 2+ DO

A: Solve the following

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Q: If 8 g of a radioactive substance are present initially and 3 yr later only 4 g remain, how much of…

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Q: a) ) 35° 10 в 40° A

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: In Exercises 7-9, solve the right triangle. Round decimal answers to the nearest tenth. 7. P 8. D 9.…

A: Let's find sides of triangles.

Q: Convert the Cartesian coordinate (-2,-3) to polar coordinates, 0 ≤ 0 0. Give an exact value for r…

A: formula used is for polar coordinates  r2=x2+y2θ=tan-1(yx)given (x,y)=(-2,-3)

Q: Use DeMoivre's Theorem to find the indicated power of the complex number. Write the result in…

A: DeMoivre's Theorem rcosθ+isinθn=rncosnθ+isinnθ

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Q: Find all solutions of the equation in the internal 10. 2d C Esin 6+1)=0

A: (tanθ-3)(sinθ+1)=0tanθ=3 and sinθ=-1  in  0,2π

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

Q: Simplify cos(x-7) 2 to a single trig function using a sum or difference of angles identity.

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Q: Find the area of a triangle with sides of length 19 and 22 and included angle 30 degrees. Your…

A: To find the area of triangle

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

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A: Given query is to find the equation of the parabola.

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Q: Solve the triangle. a=2, b=5, C = 40° (Round to two decimal places as needed.) (Round to one decimal…

A: We need to solve the triangle.

Q: Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in…

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Q: An employee wants to invest $50,000 in a pension plan. One investment offers 6% compounded…

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Q: Given sin(a)= and a is in quadrant II, find the exact value of sin(a/2). Note: You are not allowed…

A: formula for  sin(α2)=±1-cosα2sin2α+cos2α=1

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

Q: 2) sin 8 cos tan 0 = 1 GOAL Show work on this side

A: we know that   tanθ=sinθcosθprove   sinθcosθtanθ=1

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Q: Please help

A: We will find the required

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A: Solution: u→=1,3

Q: 7. is an acute angle. Find sinif cos 8 17

A: given  cos(θ)=817from the trignometric identity sin2(θ)+cos2(θ)=1

Q: Solve for 0 if -6 sin 0 + 21 = 27 and 0 < 0 < 2п. = Select the correct answer below: | 0 = п only до…

A: To find the value of theta.

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Q: EXTENSIONS For the following exercises, find all solutions exactly to the equations on the interval…

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A: The given rectangular equation is: x2+y2=9

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Q: Using the given graph of the function f, find the following. (a) the intercepts, if any (b) its…

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Q: right triangle has a hypotenuse 8 inches long and one leg 3 inches long. What is the length of the…

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