MathematicsHard38×since 2004Q3924Let in a right angled triangle, the smallest angle be θ\thetaθ. If a triangle formed by taking the reciprocal of its sides is also a right angled triangle, then sinθ\thetaθ is equal to :A5+14{{\sqrt 5 + 1} \over 4}45+1B5−12{{\sqrt 5 - 1} \over 2}25−1C2−12{{\sqrt 2 - 1} \over 2}22−1D5−14{{\sqrt 5 - 1} \over 4}45−1Check answerSkip