Us a power reducing formula to simplify 20sin²x. Write your answer as an equivalent expression that does not contain any powers of sine or cosine greater than 1.

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A: Given: sin x=725, where angle x is in quadrant II.To Find: To determine the value of sin2x.

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Q: Question 12 Select a quantity that represents an imaginary number. Choose ALL that apply.

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A: Given:- tan21.4-sec21.4=-1

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A: use the substitution and simplify the quadratic equation.

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Q: 34. What is the range of y = k tan−¹(x) if k > 0?

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A: Given query is to prove the identity.

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A: Given Equation:- sin2θ=22

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Q: Q#12 Please prove that cos(a-ß) cos(a+ß) = (cosa cos 6)²-(sina sin 6)²

A: To prove: cos(α-β)cos(α+β)=(cosαcosβ)2-(sinαsinβ)2

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Q: Let Z₁ = 8 cos Z1²2 = Z1 Z2 8( cos(77) + = (77)) + i sin and Z2 = 5(cos(57) + (57)). + i sin Find…

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Q: Solve the following triangle.   B=50°,C=70°,b=2   A= a= c=

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Q: a) OS () = COS =

A: we are supposed to answer the first question and rest can be reposted.

Q: Solve the following equation exactly in the interval [0,2pi) .  2sinxcosx+cosx+2sinx

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Q: Solve the following equations exactly in the interval [0,2pi ) 1. sin x/2 + cos x = 1

A: Please see the below picture for detailed solution.

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Q: Show the steps to evaluate the following compound inverse trigonometric function. Inverse…

A: tan(cos-132)

Q: TT = „9 ap:s | S = 2,0, apis I 02 = 102=", к дву гвоз

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Q: Algebraically determine all solutions on the interval [0, 2?). (Enter your answers as a…

A: According to question,Given Trigonometric equations,150 tan2(x) + 5 tan(x) − 2 = 0

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Q: 3) Let a = 3i, b = i + j. Find 5a + b. A) 11i + j B) i+ 16j 4) Let a =(3, 8), b = (-5,9). Find a +…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 30. Suppose the angle A terminates in Quadrant II and sec(A) = -5/4. Find tan(A).

A: Given secA = -54we want to find tanA = ?

Q: QSI TV. Complete the proof that ZVUW ≈ ZPRQ. P 1 2 3 4 R s v U T W Statement QSI TV ZVUW ZSRU ZSRU…

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Q: Find all solutions if 0° ≤ ? < 360°. When necessary, round your answers to the nearest tenth of a…

A: Solutions of a quadratic equation, ax2+bx+c=0 is given by, x=-b±b2-4ac2a Solution of cosx=y is given…

Q: If sin x = sin 2x = cos 2x tan 2x = 30 20 " x in quadrant III, then ;

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Q: 7T 12 a) using sum/difference identity b) using half-angle identity Evaluate tan

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Q: 2 tan ² (1.4) - sec ² (1.4)= = |

A: NOTE: Refresh your page if you can't see any equations. . it is given that,

Q: Graph. r = 1.5 www.A Whyn alamar hepatan hari hari www 2 4

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Q: tan x = ✓[?]

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Q: Write J = AB in component from where Point A= vector (6,8) and point B = (5,7)

A: Given query is to find indicated vector.

Q: 31. Suppose csc00 and cote > 0. In which quadrant(s) could terminate?

A: Given that cscθ&lt;0  and cotθ&gt;0

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Q: 2 The solution to x² + 45 O can be written in the form of x = ± ai√5, where a represents a whole…

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Q: Solve the equation for theta if 0° ≤ theta < 360°. (Enter your answers as a comma-separated list.)…

A: We know, sin2θ=2sinθcosθ