関連ワード:  1 cos 2 theta sin 2 theta 0    1 cos 2 theta sin 2 theta cosec 2 theta 0    prove that 1 cos 2 theta sin 2 theta cosec 2 theta 0    lim theta approaches 0 1 cos theta 2 sin 2 theta    the solution of equation cos 2 theta sin 2 theta 1 0 lies in the interval    2 cos 2 theta 3 sin theta 1 0    solve 2 cos 2 theta 3 sin theta 1 0    displaystyle lim_ theta to 0 frac 1- cos( theta) 2 sin^2( theta)    if cos 2 theta )/( cot 2 theta sin 2 theta 1 )= 3 0 (@)    find displaystyle lim_ theta to 0 frac 1- cos( theta) 2 sin^2( theta)