Jack and Marcy are at an amusement park. Jack is standing 75 meters from a hot air balloon ride. He is recording Marcy with his cell phone as she gets into the basket of the balloon and the hot air balloon begins to rise.   The diagram below shows Marcy's height h at an angle of elevation 0   What is Marcy’s height, h, in meters for an angle of elevation, 0 = 65 ? Round your answer to the nearest tenth.   HInt: Set your scientific calculator in degree mode.

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A: This question can be solved using the concept of angle of elevation.

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A: The given equation is: 2sin3x+sin2x+1=0. We have to solve this equation on the interval 0≤x≤2π.

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A: As you mentioned question no 2 solved

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A: Using tan(A+B) formula

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A: The given equation,        0=-1+cosθ

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A: A detailed solution is given below

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A: Given query is to prove the identity.

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A: Explained below

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A: Given: f(x)=x3-2

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A: See below the answer and explanation

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A: a)…

Q: HELP

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Q: Q38: If y = e2x sin 5x, then which of the following is true? (a) y" – 4y' + 30y = 0 (b) y" – 4y' +…

A: y=e2xsin(5x) ---&gt;1Differentiatey'=5e2xcos(5x)+2e2xsin(5x)…

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A: Given triangle ABC.

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Q: Find Jul, Iv], |2u], v, lu + vl, ļu – vl, and Ju| - |vl. u = 5i + j, v= 4i – 3j Jul = |v| = |2u| Ju…

A: Given: u=5i+j, v=4i-3j We know that if a= xi+yj+zk then a=x2+y2+z2

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A: I am attaching image so that you understand each and every step.

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A: Given problem:-

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A: Let's find.

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A: We have to solve above question    As per bartleby guidelines we have to solve 1 question. If you…

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A: answer is in next step

Q: Solve the following equation for θ where 0°≤θ<180°. sec(θ+34°)=csc(θ−82°)

A: Here, the given equation is: sec(θ+34°)=csc(θ−82°)