Perform the indicated operation. (2-9i)(2+9i) (2-9i)(2+9i) =

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A: to find following use sec (theta) = 2 a.cos thetab.sin theta c.tan theta d.tan(90-theta)

Q: Ө Ь X E

A:

Q: The cables attached to a TV relay tower are 130 m long. They meet level ground at an angle of 60.0°,…

A: Given that,

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A: 6 pipes with a radius of 7.5 cm

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A:

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Q: Find the exact value of the following csc 60° Warning! This question is not multiple choice! You are…

A: let  F=csc(60)

Q: Find the measure of the reference angle 8' for the given angle 0. 8 = 358⁰ 0' =

A:

Q: 3. Solve analytically. Hint: Move all terms to the left side (obtain 0 on the right) and combine all…

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Q: Find all solutions to 2 sin(0) = -√√2 on the interval 0 ≤ 0 < 2π == 0 = Give your answers as exact…

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Q: Express the following as an algebraic function of x. cos (cos' (x) - sin(x))

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Q: For Questions #1-3, solve each oblique triangle. Use significant digits for rounding, unless…

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Q: 4) sin 플 3 - COS 6

A: Sin(π3)−cos(π6)

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Q: Ship A 26.0° 122.0⁰ Beacon 5.10 km Ship B

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Q: You have two planes that need refueling. One plane that can carry fuel has a hose that is 160 feet /…

A: You have two planes that need refueling. One plane that can carry fuel has a hose that is 160 feet /…

Q: Establish the identity. 1+ tan 0 cot 0+1 1-tan 0 cot 0-1 Which of the following four statements…

A: We have to prove, .We know,

Q: The monthly income I, in dollars, from a new product is given by I(t)=8100-6500e-0.002t where t is…

A: Solve the given question.

Q: Write an equation for the hyperbola with center (5,-8), focus at (8,-8), and vertex at (7,-8)

A:

Q: A man standing on the roof of a building 55.0 feet high looks down to the building next door. He…

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Q: Perform the operation and leave the result in trigonometric form. (cos 7 degrees+i sin 7 degrees…

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

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Q: 41. Find the exact values of the six trigonometric func- tions of 0 if cos0=3 and sine < 0. 13

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Q: A rover on Mars leaves Station A and travels 22 km due east to sample rocks at Outcrop B. It then…

A: Given that,find the angle

Q: Given C=61°, a=10 and b=6, find the area of the triangle:

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Q: Find the exact length of the arc intercepted by a central angle 0 on a circle of radius r. Then…

A: Here given  a central angle   on a circle of radius  we have to find the exact length of the arc

Q: A triangular field has sides of lengths 20, 42, 46 km. Enter your answer as a number; answer should…

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Q: Solve the equation for solutions over the interval [0°, 360°). tan ²0 + 8 tan 0 +5=0 Select the…

A: To solve the following equation over the interval (].

Q: Use the half-angle formulas to find the exact value of the trigonometric function cos-22.5°.

A: The given trigonometric function value .The aim is to find the exact value of the expression using…

Q: Exercises 13-18: Evaluate each of the following, if possible. Give results in both radians and…

A: The table of arctan function is given by,x  in radians in degrees000304560

Q: In Problem 1 to 4, determine the nth-term formula for the number of square tiles in the nth figure.…

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Q: Evaluate the following without using a calculator -5 n (sin-¹ (36)) 30 tan

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Q: sin 0 = √7 4 and cos 0 = 3 4 LOTS I

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Q: 4 1 - 2 sin² xl+ sin ¹ x

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Q: tanx cotx = cscx secx

A: Given the identity: The aim to prove the identity Trigonometry Formulas:

Q: Let ƒ(x) = e15—16x and let the inverse function of ƒ (x) be f-1 (x)

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Q: Prove the identity. sin(x) + sin(7x) cos(x) + cos(7x) Use the Sum-to-Product Formulas and then…

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Q: Given vectors u = &lt;-3, -7&gt; and v = &lt;-1, 5&gt;, find the resultant vector  u + v.

A: The objective of this question is to find the resultant vector when two given vectors are added…

Q: Matrix A has 3 rows & 2 Columns Matrix B has 2 rows & 3 colums Matrix C has 2 rows by 2 colums.…

A: Matrix A has 3 rows and 2 coloumn Matrix B has 2 rows and 3 coloumn Matrix C has 2 rows and 2…

Q: Consider the following. -5 3 -HAN A = 2-5 B = 1 2 1 0 (a) Find A + B. 3 5 -3

A: we have given

Q: Consider the following. 2 -3 1 -3 1 21 +] [3] 1 0-2 25-3 (a) Find A + B. A (b) Find A B. 1 (c) Find…

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Q: Write the first trigonometric function in terms of the second for ? in the given quadrant. cos(?),…

A: To write the first trigonometric function in terms of the second for θ inthe given quadrant.,  in…

Q: Find all solutions in radians. Approximate your answers to the nearest hundredth. (Enter your…

A: Consider the equation

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Q: Verify the identity. tan² (u) - sin²(u) = tan² (u) sin²(u) sin²(u) tan² (u) sin²(u) = = = sin²(u)-(…

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Q: A 10 12 & Solve for LA= LB = 20= B A PE 220

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Q: Verify that the trigonometric equation is an identity. (cot²x+1) (cot²a-1) =csc4a-2csc²α Which of…

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Q: Prove that the following equation is an identity. csc x-sin x cot x Choose the correct answer below.…

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Q: The y intercept of the graph of y=-6x - 32 in the XY plane is (0,y). What is the value of y

A: The given equation is,

Q: Prove the identity. cotx (1-cos2x) = sin 2x

A: