Evaluate cos (2 arcsin (1/4))

Evaluate please:a.) arcsin(sin 13pi/16) b.) arccos(cos[-pi/18]) c.) arcsin(sin pi/18 d.) arcsec(-√2) e.) arctan(-√3/3)
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2. asked by Liv
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Use a calculator to evaluate the expression.arcsin 0.45 arctan 15 arcsin(-0.125) arccos(-1/3)
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2. asked by Jackie
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Find the exact value of cot(arcsin(12/13))and cos(arcsin(1.7/2)) I know that cos(arcsin(x))=sin(arccos(x))=sqrt(1-x^2). I'm
1. 3 answers
2. asked by Emily
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How do you find:the Integral of arcsin(1 / (sqrt x^2 - 1) ) dx ?? (The integral of arcsin of one over the squareroot of x
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2. asked by Cindy
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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
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Evaluatecos (2 arcsin (1/4))
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2. asked by stacey graham
3. 607 views
Evaluate.1. sin^-1(-1/2) 2. cos^-1[(-root 3)/2] 3. arctan[(root3)/3] 4. cos(arccos2/3) 5. arcsin(sin 2pi) 6. sin(arccos 1)
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2. asked by anonymous
3. 706 views
Please help. i am confused on how to do this one. I keep getting arcsin(square root -cos9x) but it is wrong. The probem is F(x)=
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2. asked by nic
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using the mean valiue thereom on f(x)=arcsin(x),show that x< arcsin(x)< x/(sqrt1-(x^2)) for 0<x<1
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2. asked by nikki
3. 444 views
Evaluate.1. sin^-1(-1/2) 2. cos^-1[(-root 3)/2] 3. arctan[(root3)/3] 4. cos(arccos2/3) 5. arcsin(sin 2pi) 6. sin(arccos 1) I got
1. 3 answers
2. asked by anonymous
3. 785 views