Asked by Abbey
1) Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.
67 degrees 30'
67 degrees 30'
Answers
Answered by
drwls
Use the half angle formulas at
http://www.sosmath.com/trig/douangl/douangl.html
The sine of the full angle (135 deg) is 1/sqrt2 and the cosing is -1/sqrt2
http://www.sosmath.com/trig/douangl/douangl.html
The sine of the full angle (135 deg) is 1/sqrt2 and the cosing is -1/sqrt2
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