Sketch the graph of y = cos(0-90°)-3 for -360 ≤0≤360°. [3 marks] 360° -300° -240° -180° -120° -60° 60° 120° 180° 240 300

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A: solution is given below:

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A: 1. f(1)=4 So, h[f(1)]=h[4]=-42+2=-14 So, h[f(1)]/7=-14/7=-2   2. h(3)=-32+2=-7 So, 2h(3)=-7×2=-14…

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Q: CHECKPOINT 1.21 Find the definite integral of ƒ (x) = x² – 3x over the interval [1, 3] .

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Q: 7. Find the arc length of the curve given by r(t) = (1+2t)i + (1+3t)j + (6-6t) k, for -1≤t ≤0.

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Q: - What function f(t) has Laplace transform: 2s +3 3s +6 s²-4s +13 + 2 s + 3s

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…