(c) 4.4

Q: An arc of length π/5 cm subtends a central angle θ of a circle with radius 2/3 cm. What is θ in degr...

A: The length of the arc of a circle in terms of the angle subtended by it at the centre is given by: L...

Q: Show all steps

A: Given : tan(x) = 4/3 sin(2x) = 2tan(x)/(1 + tan2(x))             = 2(4/3)/(1 + (4/3)2)             =...

Q: Write in standard form using de moivres theorem [2(cos25deg+isin25deg)]^6

A: Explanation of the solution is given below...using the de moivre theorem

Q: can you help me with d and e

A: The given function is the sinusoidal function. The sinusoidal function can be expressed in two trigo...

Q: Find the magnitude and direction angle (to the nearest tenth) for each vector. C measure of the dire...

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Q: How many degrees is 1 1/5 of a complete revolution?

A: 1 revolution=360 degree

Q: In the given figure, PR is 12 more than twice PQ, and QR is two more than four times PQ. If all thre...

A: Given: In the given figure PR is 12 more than twice PQ, and QR is 2 more than 4 times PQ. To Find: ...

Q: sin? x+2 sin x+1 1+sin x Establish the identity: cos² x 1-sin x

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Q: Verify the identity. 2 sin(x) cos(x) = 1 (sin(x) + cos(x))2 - 1

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Q: • Question 6 > The equation of the ellipse that has a center at (2, 1), a focus at (- 2, 1), and a v...

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Q: Question 18 > For sin 2x + cos r = 0, use a double-angle or half-angle formula to simplify the equat...

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Q: Solve the following trigonometric equation 2sin^(2)x-tanx=0

A: Explanation of the solution is given below...

Q: First, determine the quadrant for 0; then find x, y, and r; and finally, give all six trigonometric ...

A: Given : sec(θ) = -19/2 and tan(θ)>0 when, tan(θ)>0           The θ lives in 1st quadrant. sec(...

Q: Please explain

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Q: Give one example of an application of Pythagorean theorem

A: The Pythagorean Theorem is useful for two-dimensional navigation. By using Pythagorean theorem we ca...

Q: find the magnitude and direction angle for the vector v=2i-6j to correctly write v in trigonemetric ...

A: Given : The vector v = 2i - 6j to correctly,   ⃗⃗⃗⃗⃗               ⃗v(2,-6)  magnitude of (2,-6)  ||...

Q: (5 – 6i) – (3 – 2i)

A: We have to perform the subtraction between two complex numbers.

Q: Find the exact value of x in the given interval that has the given circular function value.

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Q: In the given figure, Angle X>Angle K. Prove that WY>JL

A: we know that in two triangles if angle1>angle2 then angle opposite to bigger side will be bigger ...

Q: Problem is attached! Please and thank you!

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Q: I need help with #37, I cannot figure out how to graph correctly

A: (37) Consider the given function. y=2secx The general form of the secant function is defined as, y=A...

Q: Find the area of a sector of a circle with central angle of 108° if the radius of the circle is 15cm...

A: Area=θ360πr2

Q: Problem is attached! Please and thank you!

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Q: Multiply. Leave the answer in trigonometric form. 2 cis 3?/4 · 2 cis ?/4

A:   2 cis 3π4×2 cis π4   2 cis 3π4=2cos 3π4+i sin 3π42 cis π4=2cos π4+i sin π4  

Q: Find the exact value of the expression. cos(sin-() + car(v}) 3 + cot-1V3

A: Explanation of the solution is given below...

Q: Let sin A = -12/13 with 270° ≤ A ≤ 360° and cos B = -3/5 with 90° ≤ B ≤ 180° and find the following....

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Q: Solve for all X: 4 sin 3x-Sin X = 0 %3D

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Q: Find the value of the six trigonometric functions of 0, where 0 is the angle formed by the positive ...

A: Given, line segment is passing through the points (0, 0) and (9, -1) We have to find the angle betwe...

Q: A ship travels 200 miles on a bearing of S 63° E. How far east and how far south has the ship travel...

A: For this problem ,As ship bearing of S 63degree N  indicates  63 degree angles makes with east.

Q: Problem is attached!* Please and thank you

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Q: Evaluate the expression without using a calculator and write your answer in radians. sin−1 (sqroot o...

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Q: Use your calculator to find sin ? and cos ? if the point (9.38, 7.09) is on the terminal side of ?. ...

A: Given : Let A(9.38,7.09), The attached figure to better understand the problem, Find the value of r ...

Q: Solve the equation for x if 0≤x≤2π. Give your answer in radians using exact values only. ​ cos x +co...

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Q: Show that cos(arcsinx) Vi - x², for x| s lin two different ways.

A: Show that cosarcsin(x)=1-x2, for x≤1

Q: Find the missing parts of the triangle. Round to the nearest tenth when necessary. B = 151.5° a = 41...

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Q: can you help me with this please?

A: Given Plot P and Q on the graph polar graph,

Q: Problem is attached! Please and thank you

A: Since you have asked multiple questions in single request so we  will be answering only first questi...

Q: Given the triangle 25 find the length of side a using the Law of Sines. Round your final 38° 22° ans...

A: Sine law:  

Q: Convert 7pi/12 to degree measure.

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Q: How many radians is 11/5 of a complete revolution?

A: It is known that one complete revolution is equal to 2π radians. This implies that,  

Q: Solve the equation on the indicated interval.

A: Answer and explanation is given below

Q: 5. For what numbers x, 0<x < 2n does cos(r) equal 1? (Angles are measured in radians.) (a) r = 0 onl...

A: Given : 0≤x≤2π  does cos(x) equal 1.         cos(x) = 1               x = cos-1(1)               x =...

Q: can you help me please?

A: Consider the following expression: sinπ2+θ=cosθ sin2π3=sinπ2+π6=cosπ6=32

Q: The Tokyo tower is located in Japan. Tokyo tower stands 1,092 feet tall. Estimate how far would some...

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Q: Find a.) v*w b.) w*v,c.) v*vd.) w*w v=i-2j+3k, w=3j-2k

A: Given :               ⃗⃗⃗⃗⃗ ⃗v = î-2ĵ+3k̂ , ⃗w = 3ĵ-2k̂   (a). v*w = v×w = (î-2ĵ+3k̂)×(3ĵ-2k̂)...

Q: Please prove identity by transforming the left side into the right side: (1+secx)(1-cosx) = (tan^2 x...

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Q: I need help with #9

A: