PLEASE HELP!! Solve: 1. cos(arcsin(4/5))=

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
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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
3. 699 views
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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I need help with I just can't seem to get anywhere. this is as far as I have got:Solve for b arcsin(b)+ 2arctan(b)=pi
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2. asked by Jen
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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
3. 436 views
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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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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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. 435 views
how do I solve thisarcsin(4/5) note that I am not looking for about 53 degrees I believe I'm suppose to solve euler's formula
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2. asked by Kate
3. 685 views
What is the critical angles for water ice when surrounded by air?theda critial = arcsin(n2/n1) =arcsin(1/n1) What is the index
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2. asked by Andrea
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