Math, asked by shaikashraf1416, 11 months ago

(m) cos 225º - sin 225º + tan 4959 - cot 4950​

Answers

Answered by Anonymous
6

cos 225 − sin 225 + tan 495 − cot 495

=cos(180+45) − sin(180+45) + tan(360+135) − cot(360+135)

=− cos 45 − (− sin 45) + tan 135 − cot 135

=− cos 45 + sin 45 + tan(90+45) − cot(90+45)

=− cos 45 + sin 45 − tan 45 − (− cot 45)

=−12√ + 12√ − 1 + 1=0

FOLLOW MEH!

Similar questions