(arctan o tan)' = 1 – pi k E z°(k +1/2)pi When differentiating on the Real line is this true?

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

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A: We need to choose correct option.

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A: Here, the given value of sin x=817 and  x is in the first quadrant. Now,  sin x=opphyp=817⇒opp=8, hy...

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Q: 9 48° 14

A: Given that:                        

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A: Height of tower = 40m

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A: 5. The two triangles are congruent. Here AB = EF , BC=DE , AC=DF The property is by SSS property (si...

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A: To find co-terminal we have to add or subtract 2π from the given angle

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Q: 2 O is in QI. 3 Given: cos 6 What is the value of cos(20)? 1 4 -- - 9. 0 4 - 6. o 1 - 9.

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Q: Express the given expression as a function of cos x. cos x + cos 3x cosʻ x – sinx

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Q: A Find LA <B <c SiderA Sided A B C 42 12 B

A: Given that:                            

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A: Given that: Angle of elevation at the bottom of the face=25°Angle of elevation at the top=28°Distanc...

Q: c) f(1) = te¯«a f(1) = te", 12 0, Is 0. -j4aw (c) (a + w) %3D %3D

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A: if θ is measured in degrees  than area of sector is Area=θ360°×πr2

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Q: -b:23.3cm Find side a.

A: We are aske dto find the value of triangle.

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Q: Find sin2x, cos 2x, and tan 2x if tanx= and X terminates in quadrant II. sin 2x cos 2x tan 2x 2/3

A: As per given  We have to determine sin2x, cos 2x, tan2x

Q: Which of the following is FALSE? 01+ tan? x = sec? æ 1 sec x = CSC x O cot x sin x= cos x = COS X O ...

A: Solution ) We know that  1) 1 + tan2x = sec2x 2)Sec x = 1/ cosx 3)Cotx sinx     [ cotx = cosx/sinx] ...

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Q: Find the sum and product of the roots. 1.) x2 + x - 20 = 0

A: topic - sum and product of roots

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A: To prove: 1+sinxcosx+cosx1+sinx=2secx

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A: As per our guidelines we are supposed to answer only one question. Kindly repost others question as ...

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A: Find your answer below 

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Q: Convert the angle in radians to degrees. 11. radians 6. 11t radians 6. II

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Q: Question 28 2 pts If the graph of y = cos(x) is to be modified to triple the amplitude and translate...

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Q: 1. Draw the image of the figure after a reflection across the x-axis. What is the coordinate notatio...

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Q: 2. In In AXYZ, ZX = 72°, XY = 109 m and XZ = 218 m. a) Draw a labelled diagram. b) Solve AXYZ for al...

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Q: Let k be any integer. What expression generates all angles coterminal with 135°? O 135° – Tk T 135°-...

A: Topic = Trigonometry Correct option =135°-2πk 

Q: Find the length of the arc, s, on a circle of radius r intercepted by a central angle 0. Express the...

A: Given, r(radius)= 20 inches theta(Central angle)= 10°= 10*π/180 radians= π/18 radians

Q: Find dimension y. All dimensions are in inches. 58 20' 0.930 0.400 2.188

A: In this question we use trigonometric ratio to find the solution.