Tuesday, October 29, 2013

623 - E block - due Wednesday 13.10.30

1.. finished 10.1 ws - sine, cosine and tangent (not just tangent from monday)

2.. 2.. THIS PROBLEM WILL BE COLLECTED ON WEDNESDAY - IT SHOULD BE DONE ON A SEPARATE PIECE OF PAPER.  THE PROBLEM WILL BE GRADED AS A 6 POINT QUIZ GRADE!

You are leaning a ladder against your house. The side of your house is perpendicular to the ground.  The maximum height of the ladder is 28 feet.  At what height will the ladder touch the house if the angle of elevation of the ladder (angle at the ground) is 78 degrees?

a.. draw a diagram.
b.. solve.


notes:

SOH - CAH - TOA

sin (θ) = opp / hyp

cos (θ) = adj / hyp

tan (θ) = opp / adj

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