prove that:(2secA+tanA)(secA-2tanA)=2-3sinA/cos^2A
Answers
Answered by
0
Step-by-step explanation:
we know
secA=1/cosA
tanA=sinA/cosA
Attachments:

Similar questions
Social Sciences,
8 months ago
Physics,
8 months ago
Math,
8 months ago
Science,
1 year ago
Science,
1 year ago