Friday, October 9, 2009

Algebra 2H pds 1,2
We went over the hw on Solving Systems of Equations in Three Variables. We continued the lesson afterwards.
HW pd 1 page 226 # 4,6,10,16, and 20.
pd 2 # 4,6,10,19, and 20.

EC problem # 24.

Geometry H pds 3,5
Today was the quiz on the distance formula and the angles formed by parallel lines.
HW puzzle was given out after the quiz. It will be collected on Monday.

Trig/Pre Calc pd 4
We went over how to find the trig values of angles on the calculator. We used both degree and radian mode. We also used the inverse key for secant, cotangent, and cosecant.
In addition, we learned how to find the angle when given its value. For examples, if sin of theta is -1/2 and theta is in quadrant 4, the angle is 330ยบ.
HW page 285 # 79,81,83,85 and # 92,93,95, and 96.
EC problem # 94.

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