prove that, sec^2 theta +cot^2(90-theta) = 2 cos^2(90-theta)-1
Answers
Answered by
0
Answer:
Step-by-step explanation:
Attachments:
Similar questions
Computer Science,
6 months ago
Math,
6 months ago
English,
6 months ago
English,
1 year ago
Business Studies,
1 year ago