Sketch tan[arcos(7/8)]=

bama88 Posts: 3, Reputation: 1

New Member

Feb 27, 2008, 10:34 AM

sketch tan[arcos(7/8)]=

Sketch a right triangle

galactus Posts: 2,271, Reputation: 282

Ultra Member

Feb 27, 2008, 10:45 AM

Here's a hint that may help:

$tan(cos^{-1}(x))=\frac{\sqrt{1-x^{2}}}{x}$

Jade27 Posts: 1, Reputation: 1

New Member

Mar 25, 2011, 09:09 AM

Arcos (-2)

Check out some similar questions!

Sketch and use a right triangle to find the exact value of tan[arcos(7/8)] [ 1 Answers ]

sketch and use a right triangle to find the exact value of tan

Sketch and Descrbine Locus? [ 1 Answers ]

I really don't understand the def. of a locus according to my book. So can someone put that in simple terms for me? Then the question is, sketch and describe the locus of all points in a plane that are equidistant from the vertices of triangle ABC. It has a picture of an isosceles triangle...

Basement Bathroom Plumbing Sketch [ 3 Answers ]

I am in the planning stages of installing a bathroom in the basement of my home. It has not been plumbed for one so I will be breaking concrete to install the drain plumbing and sewage ejector pump crock. I am having a terrible time envisioning the drainage plumbing and vents for my bathroom and...