Class 11 Maths Tutorial Express cosec(-1565) in terms of the ratio of positive angle less than 45.By Farhat Jahan, 7 months ago

Class 11 Maths Tutorial Find the values of (i) cot(-870) and (ii) sec(-31pi/4)By Farhat Jahan, 8 monthsSeptember 14, 2021 ago

Class 11 Maths Tutorial If sin49=3/4, find the value of sin581.By Farhat Jahan, 8 monthsSeptember 14, 2021 ago