1.

Find the values of sin 2 theta, cos 2 theta, and tan 2 theta, given : (i)sin theta = (3)/(5) , thetain Quadrant I. (ii) sin theta = 3/5 , thetain Quadrant II. (iii)sin theta= - (1)/(2), thetain Quadrant IV. (iv) tan theta =- (1)/(5) , theta in Quadrant II.

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ANSWER :`SQRT3`


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