Without expanding show that: `=|cos e c^2thetacot^2theta1cot^2thetacos e c^2theta-1 42 40 2|=0`

To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Without expanding show that: `=|cos e c^2thetacot^2theta1cot^2thetacos e c^2theta-1 42 40 2|=0`

Видео Without expanding show that: `=|cos e c^2thetacot^2theta1cot^2thetacos e c^2theta-1 42 40 2|=0` автора Эллиптические Эксперименты