sec2 A . cosec2 A = tan^2 A + cot^2 A + 2
Answers
Answered by
1
proved above in the image
Attachments:
Answered by
3
Step-by-step explanation:
LHS = sec²A . cosec²A =( 1 + tan²A)(1+cot²A)
= 1 + cot²A + tan²A + tan²A.cot²A
= 1 + cot²A + tan²A + (sin²A / cos²A).(cos²A / sin²A)
= 1 + cot²A + tan²A + 1
= tan²A + cot²A +2 = RHS
--------HENCE, PROVED-----------
Plz mark brainliest and follow me...
Similar questions