Prove the identity. cos8x+cos2x / sin8x+sin2x = cot5x

Q: The following information refers to triangle ABC. Find all the missing parts. (Round your answers…

A: Let's find.

Q: Write the expression as the sine, cosine, or tangent of a double-angle. Then find the exact value of…

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Q: Find the constant term by completing the square. 2 2) x² - 40x + 2. 2 Take half the "b" term. Square…

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Q: D ? b = 14 C = ? ? E

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Q: he force of an object is represented by the complex number 5i + 18i. The magnitude of the force is…

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Q: Find the unknown angles in triangle ABC for the following triangle if it exists. A = 28.8° b= 42.8…

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Q: What is mzP? Q R 132° (4х — 10) (4x + 2)° (5х — 11)° 128° T mzP = 5.25

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Q: Evaluate the expression without using a calculator. (Assume the variable represents a positive…

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Q: 4. Find the solutions to sec x+tan x-3=0 on 0<x<2n

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Q: The letters x and y represent rectangular coordinates. Write the equation using polar coordinates…

A: This is a problem, related to polar coordinates. Based on the assumption we will solve the question.

Q: The cosine of the angle is 4 -

A: let the acute angle be θThen cos(θ)=34θ=cos-1(34)

Q: Carry out the indicated algebraic operation. (If not possible, enter IMPOSSIBLE in any cell of the…

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Q: Expand the logarithm fully using the properties of logs. Express the final answer in terms of log x,…

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Q: Suppose that u = – 2i – 5j and v = - 3i – Compute the given linear combination of these two vectors.…

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Q: tan x-1 3. tan x - 1 sin? x +3 sin x +2 4. sin x +2

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Q: Solve using the Quadratic Formula. Show set up then answer 2) 4x2 + 8x + 7 = 0 b = %3D a = C =…

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Q: ship is anchored off a long straight shoreline that runs north and south. From two observation…

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Q: Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric…

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Q: Use the following information to determine sin(2x). cos(x) 2 and tan(x) is positive Answer sin(2x) =

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Q: Use the sum and difference formula for cosine Question You are given that sin(A) = =--, with B in…

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Q: ind the missing sides of triangle ABC given C = 90 degrees, c = 12, sin B = 3/4

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Q: n angle has a measure of 72 degrees. What is the measure of its complement?    108 degrees   18…

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Q: The vector w⃗  is 8 units long and makes an angle of 39∘ with the positive x-axis. What is the…

A: We have to find the component form of vector w.

Q: Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form. (5 + 1)6 O 64 -…

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Q: 35cm 12em 12:5Cm s this a right triangle if yes how do know you

A: the given triangle has lengths,AB=12.5cm, BC=3.5cm, AC=12 cm

Q: Give example open set is compact

A: follow next step

Q: Find a formula for the exponential function passing through the points (- 2, 250) and (1, 2) f(x) =…

A: We have to find a formula for the exponential function passing through the points (-2, 250) and (1,…

Q: the given information to find the exact value of each of the following, sin 20 b. cos 20 c. tan 20…

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Q: 6-8,

A: answer is in next step

Q: Given the graph of f(x), list all the transformations from the graph of f(x) graph of g(x) f(x) =…

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Q: ols What did Maslow . The picture below shows the path that Puppy Liz is running. The electrical…

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Q: Solve the trigonometric equation for the indicated domain to the nearest hundredth in radians. - 7…

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Q: 3. The angle of elevation of the sun is 27°. IF a tree Is 12 yd. tall, how long will its shadow be?

A: From the data we have where supposed that the length of the shadow is x yards.

Q: find the exact value of cot pi/4

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Q: 1. Jill is 5 ft. tall. At a certain time of day, her shadow is 7 ft. long. Find the angle of…

A: In given problem we have to find angle of elevation of Sun which can be find out by following way .

Q: Calculate value of side p. d. 35 m 43°

A: Topic = Triangles

Q: The height, h, in centimetres, of a piston moving up and down in an engine cylinder can be modelled…

A: If f(x) is periodic function and f(x+k)=f(x), then k is known as the period of the function f(x).

Q: 11 cm 47 cm Determine the perimeter and area of the composite plane figure above.

A: Given problem:-

Q: 4x2 – 3x - 4 39. x3 + x2 - 2x

A: The given expression is: 4x2-3x-4x3+x2-2x

Q: Plot the complex number. -3

A: Given complex number =-3

Q: Two planes leave an airport at the same time. Their speeds are 140 miles per hour and 170 miles per…

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Q: 5. Find the solutions to sin x tan x = sin x on 0<x<360°

A: Simplification

Q: 4. Find the length of AB. 47° B 15.8

A: Given query is to find the  value of AB.

Q: 3x - 1 31. x(2x2 + 1)2

A: Partial fraction decomposition Repeated quadratic irreducible factor (x2+4)2=Ax+B(x2+4)+Cx+D(x2+4)2…

Q: In terms of the sine of a positive acute angle, what is the expression for sin(325∘)?

A: Given : Sin(325°)

Q: 12 cm 12 cm 3 cm 4 cm 11 cm 5 cm

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Q: 2 sin? 20 + sin 20 – 1 = 0 e =

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

Q: Given the radius of a circle r = 4 cm and the central angle 0 %3D T radians %3D Calculate the arc…

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Q: 4. A 14°. ladder Is leaning agalnst a house at an angle of 55°. How far is the base of the ladder…

A: Given that  the ladder is 14' and the ladder is leaning against a house at an angle 55°. The ladder,…

Q: A cosine function has its first maximum to the right of the y-axis at (2,5), and its first minimum…

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