The first term of an arithmetic sequence is -12. The common difference of the sequence is 7. What is the sum of the first 30 terms of the sequence? Enter your answer in the box. sum =

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A: Use tangent function

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A: The triangle ABC has measures a=22, b=14, c=30

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A: Given:     t = 2π/3 

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A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

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A: Given that        sin2(θ/2) = (csc θ - cot θ)/2 csc θ

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A: Given: y=-18cscx

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A: Given expression is cos-1sinπ6We know that sinπ6=sin 30°=12

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A: A standard sine equation looks like:           f(θ) = Asin(Kθ)                 where:               ...

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A: Given  a = (2, 5, -1) and b = (-3, 2, 6) To find angle between two vectors:

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A: Let's find. 

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A:    3arcsinx=π⇒arcsinx=π3⇒x=32

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A: To sketch the graph 

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A: Que : Solve for angle A in triangle ABC with side AB = 268 and side BC= 524 and angle B = 144

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Q: n the diagram, AB 12. Find AC and BC Write your answers in si: 600

A: Sin60° = perpendicular / hypotenuse       √3/2       = AC/AB        √3/2     = AC/12 AC = 6√3

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A: We have to write the rules that are used to prove the identity.

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A: The given triangle has measures,∠A=95°, ∠C=40° and BC=12

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A: topic - arithmetic series

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A: according to our guidelines we can answer only three subparts  rest can be reposted.

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A: The given data is: cscx=2 To use the graph of the function to approximate the solutions of the equat...

Q: D. Solve the following equations. Answer (b) 8 cos? x + sin x cos x = 2, 90° <x< 270° x = 123.69° Fo...

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Q: What is the reference angle for an angle measuring 282°? A 12° B 78° C 102° D 282°

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A: NOTE: Refresh your page if you can't see any equations. . use the formula 

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Q: 7) sec? 0 +1 = 2 %3D seC 9) 7sin? 0 +2 = 5+ 3sin? 0

A: