first and clear ans_ will be marked as brainliest.......
Attachments:

Answers
Answered by
1
Step-by-step explanation:
Square root of 1-cosA/1+cosA
Rationalize it
1-cosA/1+cosA x 1-cosA/1-cosA
We get (1-cosA)²/1-cos²A
(1-cosA)²/sin²A
Square root of above expansion is
1-cosA/sinA
we can write it as cosecA-cotA
Similar questions
Math,
7 months ago
Math,
7 months ago
Physics,
7 months ago
Social Sciences,
1 year ago
Math,
1 year ago