I am trying to find the exact value of an expression

mbascope Posts: 1, Reputation: 1

New Member

Mar 8, 2008, 08:49 PM

Find the exact value of the expression

Cos(sin-1 1/4)

galactus Posts: 2,271, Reputation: 282

Ultra Member

Mar 9, 2008, 10:00 AM

I am assuming you mean $cos(sin^{-1}(1/2))$

If so, take note that $cos(sin^{-1}(x))=\sqrt{1-x^{2}}$

krod00 Posts: 1, Reputation: 1

New Member

May 11, 2011, 11:00 AM

Sin^-1(√3/2)

Add your answer here.

Check out some similar questions!

Find the expression [ 2 Answers ]

the basic motion equation of a projectile is given by h=(vt)-(gt^2) where h is the height in m, t is the time taken in s, v is the vertical component, g is the acceleration. a)Find the expression for time of flight? b)Specify the expression for h such that there is no real solution?

Write the expression as the sin, cos, or tan of a double angle. Then find the exact [ 5 Answers ]

Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression I got it to 2 cos2 (45+30) -1 usingthe addition and subraction formula but I'm lost from there 2 cos2(75degrees) - 1

Not sure if these are even the exact lyrics but I am trying to find out what it is [ 2 Answers ]

The song goes something like this: Time to make a change cha cha changing... but I won't back down, sounds like maybe a tom petty era type of song or eric clapton but I can't find it anywhere