nisha94
secant of (13pi)/2
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TransendentialPI
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13pi/2 is the same as pi/2 right? (2pi = 4pi/2)
12pi/2 = the same as 2pi.
SO the secant of pi/2) will be the same as the secant of 13pi/2
OK?
and the secant is the reciprocal of the cosine. What is the cosine of pi/2?
nisha94
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cosine of pi/2 is 0
TransendentialPI
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and the reciprocal of that because we need the secant, will be?
nisha94
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that would just be 1/0 which is undefined right?
TransendentialPI
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right on:-)
nisha94
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thanks!
TransendentialPI
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k! good luck with it.
nisha94
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thank you
nisha94
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how do i find cosecant of 13pi/2
nisha94
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cosecant is reciprical of sine right?
nisha94
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nevermind i got it