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Let f(x)= (sqrt(25−x^2))+5 arccos (x/5).

  1. State the period and phase shift of the function y=-4tan(1/2x + 3pi/8)a) 2pi, -3pi/4 b) pi, 3pi/8 c) 2pi, 3pi/8 d) pi, -3pi/8
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  6. what is the exact value of tan(arccos((x-1)/8)) after you get to sqrt((x+7)(-x+9))/(x-1)
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  7. I need to find the exact value of tan(arccos(-sqrt 11/6)).
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  8. Find the exact value of the expression.sin(arccos sqrt(5)/5)
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  9. Let f(x)= (sqrt(25−x^2))+5 arccos (x/5).Then f(x) can be written in the simplified form − [(x+c)/mx+n)]^p. What are the
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  10. Evaluate sqrt7x (sqrt x-7 sqrt7) Show your work.sqrt(7)*sqrt(x)-sqrt(7)*7*sqrt(7) sqrt(7*x)-7*sqrt(7*7) sqrt(7x)-7*sqrt(7^2)
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