19990401
7-1-9
Using the CAS (Computer Algebra System) Mode
u trigToExp (trigToE)
Function: Transforms a trigonometric or hyperbolic function to an exponential function.
Syntax: trigToExp( Exp [ ) ]
Example To convert cos(iX) to an exponential function
1(TRNS)f(TRIG)d(trigToE)c!a(i)vw
u expToTrig (expToT)
Function: Converts an exponential function to a trigonometric or hyperbolic function.
Syntax: expToTrig( Exp [ ) ]
Example To convert e
ix
to a trigonometric function
1(TRNS)f(TRIG)e(expToT)
!I(e
x
)(!a(i)vw cos(X) + sin(X) • i
u simplify (smplfy)
Function: Simplifies an expression.
Syntax: simplify( {Exp/Eq/Ineq} [ ) ]
Example To simplify 2X + 3Y – X + 3 = Y + X – 3Y + 3 – X
1(TRNS)g(smplfy)ca+(X)+da-(Y)
-a+(X)+d!.(=)a-(Y)
+a+(X)-da-(Y)+d-
a+(X)w
X + 3Y + 3 = –2Y + 3
e
x
+ e
—
x
2
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