Friday, 21 June 2019
TRIGONOMETRICAL IDENTITIES - PART - 14
27. (cosec A
– sin A) (sec A – cos A) (tan A + cot A) = 1
28. 1 / (sec A + tan A) = sec A
– tan A
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment