Q.202464: cot² 30° - 2 cos&3178; 30° 3/4 sec² 45° + 1/4 cosec² 30° = ? |
cot² 30° - 2 cos&3178; 30° 3/4 sec² 45° + 1/4 cosec² 30° = ? - - Maths in Bengali, trigonometry question answers in Bengali pdf questions in Bengali, Know About Maths online test Maths notes in Bengali quiz book