Sec^4A (1- sin^4A )-2 tan^2A=1
Answers
Answered by
1
Answer:
Step-by-step explanation:
sec⁴A(1-sin⁴A)-2tan²A sec²A=1
L.H.S
sec⁴A-sin⁴Asec⁴A-2tan²Asec²A
sec⁴A-tan⁴A-2tan²Asec²A
(sec²A-tan²A)²
(1)²
1
L.H.S=R.H.S
hence proved
Answered by
0
Answer:
Step-by-step explanation:
Attachments:
Similar questions