self Maths Puzzle

2-cos^2theta=3 sin theta*cos theta sintheta is not equal to cos theta, then tan theta is

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self Other Question

two circles of radius 4 cm and 9 cm respectively touch each other externally at a point and a common tangent touches them at the points P and Q respectively. Then the area fo a square with one side PQ, is A,O,B are three points on a line segment and C is a point not lying on AOB
if angle AOC=40 degree and OX ,OY ARE THE INTERNAL AND EXTERNAL BISECTORS OF AOC RESP,THEN ANGLE BOY IS