Untitled.notebook
April 21, 2016
5.2 Evaluating Trigonometric ratios for Special Angles
Isosceles
equilateral
FIND THE EXACT value
Determine the exact value of sin(45 ) (cos45 ) + (sin 30 ) (sin 60 )
show that sin
= tan
cos
Quod erat demonstrandum
which was to be demonstrated
Quiz tomorrow .... draw the two special triangles and use them to determine
the sine cosine and tangent ratios for 30, 45 and 60 degrees
Homework: page 286 # 1-4 5 ac 6 ab 7, 10
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