1 LP+2Q = 90° 71, UK Casincos-sin cos Q = cos P – InterviewSolution

1.	1 LP+2Q = 90° 71, UK Casincos-sin cos Q = cos P
Answer» P+Q=90Q=90-PLHS = √sinp/cosQ- sinpcosQ = √sinp/cos(90-p)- sinP×cos(90-P)= √sinP/sinP-sinP×sunP=√1-sin^2P√cos^2P= cosP= RHS proved

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