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Jonathan has been failing AMaths lmfao
Jonathan Has Been Failing AMaths Lmfao

sec4 chevron_right Singapore

why is cos^2 2@ + sin^2 2@ =1

Date Posted: 5 years ago
Views: 362
Arnold K H Tan
Arnold K H Tan
5 years ago
Its a given Pythagorean identity. Sin^2 X + cos^2 X = 1. X can be 2(theta) or anything else.
Jonathan has been failing AMaths lmfao
Jonathan Has Been Failing AMaths Lmfao
5 years ago
ohhh ok thank u so much my doubt is cleared

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Chin Shih Chang
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