8 Find the EXACT value of cos(A – B) if angle A is arccos and angle B is arcsin 17

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Q: An ecologist wishes to find the height of a redwood tree that is on the other side of a creek, as sh...

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Q: V3 Find two angles between 0 and 27 for the given condition. Recall cos %3D V3 cos e:

A: Given that:cosθ=-32

Q: The angle of elevation of the mountaintop as observed from point A is 7°. GOING TO POINT B, 184 km f...

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Q: Find the equations with the following pairs of roots. 1. {2, 3} 2. {-3, 1} 3. {4, -2}

A: Use sum of roots and product of roots in the general equation. General equation, x2-(sum of roots) x...

Q: Next Using a double-angle or half-angle formula to simplify the given expressions. (a) If 2 sin(37°)...

A: Using double angle formula.

Q: Use the trigonometric function f(t) cos (t + + 2 to answer the following questions.

A: Given:- f(t)=-cos(t+π/9)+2 To find:- phase shift of given trigonometry function

Q: Find the area of the shaded region in the figure. (Round your answer to one decimal place.)

A: Area of shaded area = Area of circle-Area of unshaded area

Q: V2 45° V3 60°

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Q: 2) Find the slope of each line given. Are the 2 lines are parallel, perpendicular or neither ? Slope...

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Q: - Which one is the correct expansion of cos 60? O cos 40 cos 20 sin 40 sin 20 O cos 50 cos 0 + sin 5...

A: Formula: Cos(A+B)= CosACosB-SinASinB  

Q: Solve for z, and give your answer in the form a+bi. (z-2-2i)/(-5-i)%=z

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Q: In the interval 0 < x < 2T, for what value of x does sin x = cos x? - only 4 - 57 T and 4 - 4 .and -...

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Q: Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree. a ...

A: Given: a = 8, b = 13, c = 15

Q: The device is a parabolic dish with a sound booster at its focus. The device is 6ft across and 20 in...

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Q: ... 2- 2 3 3 2x 1- 2- * 0 2x 4x 3 1- 27 2x Drag each graph above to match the function below. y = si...

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Q: Topic: Trigonometric Equation Solution and answer!

A: Our aim is to solve 3 cos2 (x) + 8 sin (x) = 7.

Q: 6) A line that passes through (10,-4) and is perpendicular to the graph of y -x+8 Write equation in ...

A: Use slope of given line  to find the desired line 

Q: 12) Multiple Choice, Which graph is shown. Slide RED circle in front of correct answer.

A: topic - equation of a line

Q: Find the coordinates of the foci of the ellipse with vertices at (11,3) and (-15,3) and has minor ax...

A: To find the coordinates of the foci of the ellipse with vertices at 11, 3 and -15, 3 and has minor a...

Q: Complete the table by finding the maturity value. Interest Rate Maturity Value( A) Principal (P) Tim...

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Q: tan 0 – cot 0 If P(0) = ,b) where a > 1,b < 0. What is the value of 1+ sin 0 sec 0 O ab +1 1- ab ab ...

A: topic - trigonometric ratios

Q: Put the red cile in front af correcd answer 10) Which ratio represents the slope of a line parallel ...

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Q: Find all solutions (x) of sec^2(3x)=25 within the interval [0,2pi) using the following process: A.)...

A: Given: sec23x=25Interval: [0, 2π) Reciprocal identity: cosx=1secx

Q: In Trigonometry, it is important that the right triangles (reference triangles) have a consistent or...

A: Given: Statement: In Trigonometry, it is important that the right triangles (reference triangles) ha...

Q: 20) then A- Let A =

A: Given,            A=2011To find : The inverse matrix i.e. A-1.

Q: 3. In triangle AEFG, ZE = 90°, g= 4.0 m, and f= 2.8 m. Solve for ZF to the nearest degree. a. 46° b....

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Q: In the answer box below, type an exact answer only (i1.e. no decimals). You do not need to fully sim...

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Q: Ifo E (T, ) then what is its reference angle? 2. OT-0 0-T O 27 Previou

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Q: Question 35 Which among the choices is equivalent to the given trigonometric expression? 1-tan A sec...

A: Topic = trigonometry

Q: Suppose 0 in the second quadrant and cot 0 = what is the value of sin 0? V10 3 3 V10 V10 3 3 V10

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Q: In order to campare the difference between clinical diagnosis and B ultrasonic for 120 gallstones pa...

A: Ultrasound scanning has been the modality of choice for the clinical diagnosis of gallstone disease ...

Q: how to transform standard form of a quadratic function into the vertex form?

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Q: Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high te...

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Q: If the graph of the equation y= sin(x) is to be modified to shift it to the left by 2 units and tran...

A: Solution ) y = sinx Shifted left by 2 unit  y = sin ( x + 2 ) Translate it down by 3 unit  y = sin (...

Q: Question 33 Suppose O in the second quadrant and cot 0 3 what is the value of sin 0? 3 10 V10 V10 3 ...

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Q: Solve the right triangle ABC, where C=90°. a=77.7 yd, b=41.8 yd C = yd (Simplify your answer. Type a...

A: We will use pythogorous theorem to find the measure of C.

Q: Which of the following are true? A. sin? + cos2 := 2 B. sin? 20 + cos? 20 = 2 C. sec2 - tan? = 1 D. ...

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Q: 1

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Q: 1. Determine sin A. ne ting 13 12 B a 5 C. 13 12 5ecomm b. 12 d. none of the above 13

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Q: A man looks out of a window of a building and observes an object on the ground with an angle of depr...

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Q: In the answer box below, type an exact answer only (i.e. no decimals). You do not need to fully simp...

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Q: If the graph of the equation y cos(x) is to be modified to triple the amplitude and to double the pe...

A: Given: Triple the Amplitude and double the period 

Q: hi A NOTE: The picture is NOT drawn to scale. Ancient alien theorists manning two radar stations loc...

A: Given query is to find the the distance of ufo from point A and the height of ufo above the ground.

Q: Which of the following is FALSE? A. sin? 0 + cos? 0 = 1 B. 1+ cot? 0 = csc² 0 C. 1+ tan? 0 = sec2 0 ...

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Q: A landowner says that his property is triangular, with one side 475 m long and another side 350 m lo...

A: We need to find possible lengths of triangles.

Q: Ron and Harry, who are 40 ft apart, are watching a Quidditch match. If the angle of elevation from R...

A: topic - application of trigonometry

Q: Tt I T 27t 3n 5T Which numbers in the set {0, , Tt, 2n are solutions to the 4'3 following equations?...

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Q: solve the triangle A=49 B= 32 a=30

A: The Sine rule: asinA=bsinB=csinC   Given: A=49°, B=32°, a=30 From the property of the triangle: ∠A+...

Q: Find the equation of a line in slope intercept form that is parallel to * - y + 3 = 0 and contains t...

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