1. 48. Powers of Trig Functions, Perpendicular Bisectors.notebook February 19, 2013
48. Powers of Trig Functions, Perpendicular Bisectors
2 2 2
sin θ (sin θ) sin θ
An example of the left­hand notation would be sin (30o)2 or sin 900 deg2.
We don't use this notation often because we seldom find a reason to raise
the measure of an angle to a power.
The other two notations mean the same thing.
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2. 48. Powers of Trig Functions, Perpendicular Bisectors.notebook February 19, 2013
1. Evaluate (a) sin3 (­60o)
(b) cot2 (330o)
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3. 48. Powers of Trig Functions, Perpendicular Bisectors.notebook February 19, 2013
2 o 2 o
2. Evaluate: csc (­405 ) ­ tan 45
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4. 48. Powers of Trig Functions, Perpendicular Bisectors.notebook February 19, 2013
Find the equation that is equidistant from (4, 2) and (8, ­3). Write in general form.
Locus Definition Method.
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5. 48. Powers of Trig Functions, Perpendicular Bisectors.notebook February 19, 2013
What was the other way you talked about finding this equation?
Midpoint Formula Method.
(4, 2) (8, ­3)
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6. 48. Powers of Trig Functions, Perpendicular Bisectors.notebook February 19, 2013
Write the general form of the perpendicular bisector of the line segment
whose endpoints are (4, ­3) and (­2, ­5). Use the midpoint formula method.
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