Сosine is calculated incorrectly
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rabestro commented
Describe the bug
The calculator calculates cosine incorrectly for most input radians
To Reproduce
Steps to reproduce the behavior:
- create a new calculator
- call the tangent method
- See error
Expected behavior
Cosine calculated correctly for any input radians
** Actual result **
Cosine calculated incorrectly
Screenshots
Desktop:
- OS: MacOS
- Version 1.0
Additional context
Tests run with IntelliJ IDEA