Pythagorean Identifications sin2ππ + cos2ππ = 1 sin ππ =οΏ½1 β cos2ππ cos ππ =οΏ½1 β sin2ππPythagorean Identifications 1 +cot2ππ = csc2ππ cot ππ =οΏ½csc2ππ β 1 csc ππ =οΏ½1 + cot2ππPythagorean Identifications tan2ππ + 1 = sec2ππ tan ππ =οΏ½sec2ππ β 1 sec ππ =οΏ½tan2ππ +
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