Evaluating arcsin (cos (7pi/5))

Karma · Oct 1, 2007

Homework Statement

evaluate
arcsin(cos(7pi/5))

Homework Equations

x-pi/2=7pi/5

The Attempt at a Solution

sorry don't know where to start.

Mindscrape · Oct 1, 2007

What do you mean by evaluate? What does this have to do with calculus? Could you make this a little more clear, maybe by posting what work you have, even if it is wrong?

bob1182006 · Oct 2, 2007

cos(theta+pi/2)=-sin(theta) and then you should be able to determine what the arcsin will give you

or you could take your 7pi/5 and then add pi/2 and get -sin(theta)

Evaluating arcsin (cos (7pi/5))

Homework Statement

Homework Equations

The Attempt at a Solution

Discussion

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Evaluating arcsin (cos (7pi/5))

Homework Statement

Homework Equations

The Attempt at a Solution

Discussion

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