Problem 43563. Calculate cosine without cos(x)

Solution 1051101

Submitted on 11 Nov 2016 by Justin Ng
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Test Suite

Test Status Code Input and Output
1   Pass
x = 0; y_correct = 1; assert(abs(my_func(x)-y_correct)<0.0001)

2   Pass
x = [pi/2]; y_correct = [0]; assert(abs(my_func(x)-y_correct)<0.0001)

3   Pass
assessFunctionAbsence({'sin','cos'}, 'FileName', 'my_func.m')