Hp Prime Graphing Wireless Calculator Manuel d'utilisateur Page 130

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126 Functions and commands
asinx atanx Returns an expression with asin(x) rewritten as:
asin2atan(Expr)
Example:
asin2atan(2*asin(x)) returns
sinx cosx*tanx Returns an expression with sin(x) rewritten as cos(x)*tan(x).
sin2costan(Expr)
Example:
sin2costan(sin(x)) gives tan(x)*cos(x)
Cosine
acosx asinx Returns an expression with acos(x) rewritten as π/2–asin(x).
acos2asin(Expr)
Example:
acos2asin(acos(x)+asin(x)) returns π/2
acosx atanx Returns an expression with acos(x) rewritten as:
acos2atan(Expr)
Example:
acos2atan(2*acos(x)) gives
cosx sinx/tanx Returns an expression with cos(x) rewritten as sin(x)/tan(x).
cos2sintan(Expr)
Example:
cos2sintan(cos(x)) gives sin(x)/tan(x)
x
1 x
2
--------------------



atan
2
x
1 x
2
--------------------



atan
π
2
---
x
1 x
2
--------------------



atan
2
π
2
---
x
1 x
2
--------------------



atan



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