Let \[f(x) = (\arccos x)^2

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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2. asked by Lucy
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Calculate the limit: lim(((arccos x)^(n+1))/((arccos x)^n) with x tends to 1-, for every n that belongs to N, and then prove
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2. asked by Zisis
3. 510 views
Evaluatearctan(cot10Pi/9) sec(arccos(-1/6) csc(arcsec(5/3) sin(2 arccos(sqrt5/5)
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2. asked by Liv
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Rewrite the following expression as an algebraic function of xsin(arccos(x/2)) I know sine is y, which is opposite over
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2. asked by Em
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Please can you help me with this question?Choose the option which is a false statement: A arctan(tan2/3pi))=-1/3pi B
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2. asked by janet
3. 595 views
Write the trigonometric expression as an algebraic expression.1.) SIN(ARCSIN X+ARCCOS X) ANSWER: 1 2.) SIN(ARCTAN 2X-ARCCOS X)
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2. asked by AwesomeGuy
3. 2,099 views
it is always true that if -1 ≤ x ≤ 1 thencos(Arccos(x)) = x Give an example showing that Arccos(cos(x))= x need NOT be true
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2. asked by richard
3. 545 views
Verify each identity.a) arcsin(-x) = -arcsin x; abs. val. (x) is less than or equal to 1. b) arccos(-x) = pi - arccos x; abs.
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2. asked by Erica
3. 431 views
How do you solve:sin[arccos(-2/7)] ?
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2. asked by anonymous
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what is the graph of y= arccos(x-2)
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2. asked by Betty
3. 843 views