1. Using the figure below, find sin(20) and cos(20). 3 8

Q: Find a value of x that satisfies the following statement. 5 csC x= sec 12 Choose the value of x that...

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Q: 5. Find the area of the section ABCD as shown in the figure if A, B, C, and D are one-third from the...

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Q: 7. In the Interplatoon competition, the first squad which will take the map reading examination is l...

A: Given problem is solved below in detail.

Q: *or the following problems, #5-8, use the following information (round answers to hundredths place):...

A: This question can be solved by applying the formula of D given in the question.

Q: uppose θ is in the interval ( π/2 , π) and sin(θ) = 1/5 . Evaluate the given quantities exactly, and...

A: sin θ = 15cos2 θ = 1 - sin2θcos2θ = 1 -(15)2 cos2θ = 1 -125cos2θ =2425cos θ = 265 

Q: solve: ∫(x2-2x+1)/(x2-2x-3)5/2 dx

A: NOTE: Refresh your page if you can't see any equations. . ..................(1)

Q: A civil engineer desires to measure the height of a tower observing a vertical angle at A. He then m...

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Q: y x + b In the xy-plane, if (0,0) is a solution to the system of inequalities above, which of the f...

A: We have find the relationship between a and b

Q: A building is 3 m high. A man which is away from that make an angle 30° to the top of the building. ...

A: We have to find distance between man and building. Given  building is 3 m high. A man which is away ...

Q: olve triangle ABC. . m<B = 38, m<C = 21, b = 24

A: Since we are given with multiple number of questions and our guideline is solve the problem only kin...

Q: Draw an angle with the given measure in standard position -13 pie/ 4

A: This is a basic trignometry problem

Q: Real part • Imaginary part Complex Conjugate Absolute Value

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Q: Find the exact value by using a half-number identity. 3) sin 2 3) 4) tan Use a half-number identity ...

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Q: The current I, in amperes, flowing through an ac (alternating current) circuit at time t, in seconds...

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Q: using the half-angle identity. Support your answer with a calculator approximation. 8 Find the exact...

A: We have to find the value of sinπ8. We use the following half-angle trigonometric identity: 2sin2θ =...

Q: Write the expression as a single trigonometric function. (find solutions) cos 6x cos x − sin 6x sin...

A: The given expression,    cos6x cosx-sin6x sinx

Q: A building is locates at the end of a street that is inclined at angle of 8° with the horizontal. At...

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Q: 12) cos? 0 = 1 14) 4cot2 0 =1+ cot² 0 16) 1+3cot? 0 = 4cot? 0 - 2 %3D

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Q: Two ships leave port at 2 p.m. One is headed in the direction N 32 E and is traveling at 11.5 miles ...

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Q: Solve triangle ABC.

A: Please refer to the image below

Q: Use the Law of Sines to find the indicated angle 0. (Assume ¿C = 65°. Round your answer to one decim...

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Q: As ship is anchored off a long straight shoreline that runs north and south. From two observations p...

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Q: Зу + 2 7 + у2 + 5у — 24 у2 + 4у — 32

A: Given,3y+2y2+5y-24+7y2+4y-32Here y2+5y-24=y2+8y-3y-24y2+5y-24=y(y+8)-3(y+8)y2+5y-24=(y+8)(y-3)Herey2...

Q: Find the radian measure of angle ?, if ? is a central angle in a circle of radius r, and ? cuts off ...

A: Given query is to find indicated angle .

Q: Write the equation of a sine function with Amplitude = 8 and Period = 6T. Type the equation in the f...

A: The solution is given below-

Q: 8) Solve Systems of Equations using Matrices = 1 -1 Fomle da Mate 5x + y 9х + 3y d A13= det A 1 A = ...

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Q: Simplify. cosx sinx+ cos'x Use algebra and the fundamental trigonometric identities. Your answer sho...

A: We will simplify the given trigonometric expression in the following step.

Q: 9) csc tan 11) cos sin-1 4/5 3/4

A: Since we are given with the multiple number of questions and answers according to the guidelines

Q: sin x-cos x 1. tan x csc x-secx cot x sin x cos X 1 1 2 2. cscx-cotx cscx+cotx tan x 3. cos4x - sin4...

A: 1. sin x-cos xtan x csc x-sec x cot x=sin x cos x2. 1csc x-cot x-1csc x+cot x=2tan x3. cos4x-sin4x=1...

Q: To find the distance across a river, a surveyor chooses points A and 8, which are x 350 ft apart on ...

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Q: 4 3.- х+1 х2 — 1 х+2 х — 1 - | 3.

A: Solution 3: We need to perform operations on 4x+1+x+2x2-1+3x-1

Q: Write the expression as a product of trigonometric functions. sin 17° + sin (- 42°) sin 17° + sin (-...

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Q: Use the given information and a calculator to find 0 to the nearest tenth of a degree, if 0° < 0 < 3...

A: We will  find the value of θ in the following step.

Q: For the complex numbers w = 7 + -6 i • z = 4 - 5 i Enter the absolute value of 2w 3z in the space be...

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Q: A person stands 15 feet from the base of a telephone pole. He measures an angle of elevation of 52 d...

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Q: Determine the amplitude,period, and the phase shift of y=1/2cos(3x+pi/2). Then graph one period of t...

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Q: Use the given information and a calculator to find ? to the nearest tenth of a degree if 0° ≤ ? < 36...

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Q: |V| =

A: Follow the procedure given below.

Q: 7 8 9. 6) Find D+E -3 6 -9 -6 11 -4 D = 14 -8 12 E = -30 -18 0 8 -6 -4 20 -9 o add speaker notes

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Q: cost+cos4t+cos7t / sint+sin4t+sin7t = cot4t

A: SOLUTION-

Q: 8:14 PM Mon Feb 28 - 53% T O + : b = 2UT6 生))+()-号) =(-$)(-)+(學)量 b=4 65 25 - 3 (85) COS S = and cos...

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Q: 1. Using the right triangle below, solve for x. 8.9 cm 55°

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Q: Because of prevailing winds, a tree grew so that it was leaning 7° from the vertical. At a point d =...

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Q: y =(+ + +)* x = 4t + 1, 4

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Q: 9. Solve for all angles of the triangle. 23, \18 B 20

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Q: Use the given information and a calculator to find ? to the nearest tenth of a degree if 0° ≤ ? < 36...

A: Let us take ? = x. So, we need to solve cosx=0.2265.                    cosx=0.2265⇒x=arccos0.2265+2...

Q: 7) A = 1 L2

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Q: Find the complementary angles of the following angles: a. 56° 43’  34”  b. 54°  6’  36” c. 167° 5...

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Q: sec (e +la°) = Csc (ae+i5) %3D

A: We have to find the angle theta.

Q: and

A: Given, Solve the given equation for 0 ≤ θ ≤2 π