(sec²a-1) (cot²a) = 1
Answers
Answered by
0
hope it is helpful to you
Attachments:
rahman786khalilu:
thank u
Answered by
0
Answer :
L.H.S
(sec²A-1) (cot²A)
= (1/cos²A - 1 ) (cot²A)
= 1-cos²A/cos²A * cos²A/ sin²A
= sin²A / cos²A * cos²A / sin²A
= 1 [ R.H.S]
L.H.S = R.H.S
Hence PROVED
Similar questions