Wednesday, 19 June 2019
TRIGONOMETRICAL IDENTITIES - PART - 09
17. sec A (1
– sin A) (sec A + tan A) = 1
18. cosec
4
A
– cosec
2
A =
cot
4
A
+ cot
2
A
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment