Akira1988
Asked:
December 2022
Please answer quickly! A lens of focal length 5 cm is being used by student in the laboratory as a magnifying glass. His least distance of distinct vision is 25 cm. What magnification is the student getting?
Prove the following, without converting all terms to "tan A": tan A / (1 - cot A) + cot A / (1 - tan A) = 1 + tan A + cot A