Texas Instruments voyage 200 User Manual - Page 794
expression1, list1, Returns the matrix inverse hyperbolic cosine
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cosh( ) MATH/Hyperbolic menu cosh(expression1) ⇒ expression cosh(list1) ⇒ list cosh (expression1) returns the hyperbolic cosine of the argument as an expression. cosh(1.2) ¸ cosh({0,1.2}) ¸ 1.810... {1 1.810...} cosh (list1) returns a list of the hyperbolic cosines of each element of list1. cosh(squareMatrix1) ⇒ squareMatrix In Radian angle mode: Returns the matrix hyperbolic cosine of squareMatrix1. This is not the same as calculating the hyperbolic cosine of each element. For information about the calculation method, refer to cos(). squareMatrix1 must be diagonalizable. The result always contains floating-point numbers. cosh([1,5,3;4,2,1;6,ë 2,1]) ¸ 432217..265355 253.909 255.301 221062..990558 226.297 216.623 167.628 coshê ( ) MATH/Hyperbolic menu coshê (expression1) ⇒ expression coshê (list1) ⇒ list coshê (expression1) returns the inverse hyperbolic cosine of the argument as an expression. coshê (1) ¸ coshê ({1,2.1,3}) ¸ {0 1.372... 0 coshê (3)} coshê (list1) returns a list of the inverse hyperbolic cosines of each element of list1. coshê(squareMatrix1) ⇒ squareMatrix Returns the matrix inverse hyperbolic cosine of squareMatrix1. This is not the same as calculating the inverse hyperbolic cosine of each element. For information about the calculation method, refer to cos(). In Radian angle mode and Rectangular complex format mode: coshê([1,5,3;4,2,1;6,ë 2,1]) ¸ squareMatrix1 must be diagonalizable. The result always contains floating-point numbers. cot() MATH/Trig menu cot(expression1) ⇒ expression cot(list1) ⇒ list Returns the cotangent of expression1 or returns a list of the cotangents of all elements in list1. Note: The result is returned as a degree, gradian or radian angle, according to the current angle mode setting. In Degree angle mode: cot(45) ¸ 1 In Gradian angle mode: cot(50) ¸ 1 In Radian angle mode: cot({1,2.1,3}) ¸ { 1 tan(1) L.584... tan1(3)} 796 Appendix A: Functions and Instructions