Trigonometric Equations

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Trigonometric Equations
From: Arthur Labenek <labenek@HOTMAIL.COM>
Date: Tue, 28 Nov 2000 20:14:35 -0500
Reply-To: Arthur Labenek <labenek@HOTMAIL.COM>

y=sin@=-.5

if you figure this out you will get
solution set of [7pie/6,11pie/6]
general solution set [7pie/6+2npie,11pie/6+2npie]

now if you use the calculator to solve @

solve(sin(@)=-1/2,@)

@=2*[@]n42*n=7pie/6 or @=2*[@]n42*pie-pie/6

i am sure the calculator is correct ? however how would you interperet this
information ? also what is the symbol that the calculator writes down [@]
infinite series ? ? ? Furthermore are there ti programs to calculate these
equations.
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