Unit Circle and Inverse Trigonometry 3π (a) Start by copying the Unit Circle onto your paper and label these radian-measured angles 0,½‚³⁄,2— O COS AY = (b) Draw the angle Plot and label the terminal point for angle 0. (1,0) 7π on your Unit Circle. Also, draw and label its reference angle 6 =? (c) Using your Unit Circle from parts (a-b), find: 7″ s7 = ? cos-¹ (cos) (d) Copy this onto your paper, then finish the steps to evaluate the composition:

Q: b) (4,-1)

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Q: (b) Convert 而。 5π ▬▬ 2 radians to degree measure.

A: We have  π radians = 180 degrees

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Q: Answer (a) through (d). Please show your work.

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Q: sin 4A = cos (A - 20°), where 4A is an acute angle, find the value of A. (A) 22° (B) 25° (C) 35° (D)…

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A: Given function, f(x)=4tan(x)cos(x)