ab and CD are two parallel straight lines and p is point somewhere between them prove that angle PAB +angle PCD =angle apc
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08-Jun-2016 · √3 cosec 20° - sec 20° = √3/ sin 20° - 1/ cos 20° = √3cos 20° - sin 20°/ sin 20° cos 20° = 4 [√3/2 cos ...
Two circles touch each other
Two circles touch each other
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