12.3.67 Find the length of the cardioid r 5-5 cos 0. The length of the cardioid is (Simplify your answer.) ro5-5cose 2=7 *=rcose -5cరత)(e 5రి-5 e 5n€ - 5 (66ది swr® du. ఉ",&8 3) " . ఊ కర త) de) (-5sm© - 6@dc©$n€) (5cebb- (5(+Ine)sn© + $uD3 © ర ఒ 5n© 4 1DC0ి Sind 4 (5tఆలి + కn8 - 56©€) 5n6+ 5 S26+ (5ccరి - 5ఆరజయ 2. (256n>© - 50sine sin2+25 Sin2@¥{ 25c© - 5ాతాల ని 25cos2 20)

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A: Thanks for the question :)And your upvote will be really appreciable ;)

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Q: 5) 2/3cos Osin 0- cos 0 = 2cos 0

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