1.

Sin18/cos72-sin72/cos18=?

Answer»

ANSWER:

sin18/cos72 - sin72/cos18

= COS(90-18)/cos72 - sin72/sin(90-18)

= cos72/cos72 - sin72/sin72

= 1 - 1

= 0

pls MARK BRAINLIEST



Discussion

No Comment Found

Related InterviewSolutions