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2-7-7
Using the Action Menu
uu
uu
u tCollect
Function: Employs the product to sum formulas to transform the product of a
trigonometric function into an expression in the sum form.
Syntax: tCollect (Exp/Eq/Ineq/List/Mat [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To transform cos(a) × cos(b) into an expression in the sum form
Menu Item: [Action][Transformation][tCollect]
uu
uu
u expToTrig
Function: Transforms an exponent into a trigonometric or hyperbolic function.
Syntax: expToTrig (Exp/Eq/Ineq/List/Mat [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To transform e
ix
into a trigonometric function (Radian mode)
Menu Item: [Action][Transformation][expToTrig]
uu
uu
u trigToExp
Function: Transforms a trigonometric or hyperbolic function into exponential form.
Syntax: trigToExp (Exp/Eq/Ineq/List/Mat [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To transform coshx into exponential form
Menu Item: [Action][Transformation][trigToExp]
uu
uu
u dms
Function: Transforms a DMS format value into its equivalent degrees-only value.
Syntax: dms (Exp/List-1 [,Exp/List-2][,Exp/List-3] [
)
]
Example: To transform (3, 5, 6) (= 3
q
5’ 6”) into its equivalent degrees-only value
Menu Item: [Action][Transformation][dms]
• Zero is the default when you omit [,Exp/List-2] or [,Exp/List-3][
)
].
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