Question 544088: Find the exact value of:
A) csc(7pie/6)
B) sec(21pe/4)
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Find the exact value of:
A) csc(7pie/6)
= 1/sin(7pi/6)
= 1/(-0.5)
= -2
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B) sec(21pi/4)
= sec(5pi/4)
= 1/cos(5pi/4)
= 1/(-sqrt(0.5)
= -sqrt(2)/2
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PS It's pi, the Greek letter, not pie, the dessert.
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