INFO:
VIDEO ANSWER: (sin lpha+operatorname{cosec} lpha)^{2}+(cos lpha+sec lpha)^{2}-left( an ^{2} lpha+ ight. cot ^{2} lpha ) for all values of lpha is equal to (a) 0 (b) 2 (c) 4 (d) 7
(sinα+cosec α)^2+(cosα+secα)^2-(tan^2 α+. cot^2 α) for all values of αis equal to (a) 0 (b) 2 (c) 4 (d) 7 | Numerade