Is (cosec 210) ^2 =4
Answers
Answered by
4
Hii i am girl
LHS
(cosec (180 + 30))^2
(- cosec 30)^2
4
RHS
true
_______/\______☺️
hope it may helps you
Answered by
3
Answer:
cosec(210)=cosec(270-60)
=-sec60
=-2
therefore,
(cosec210)^2=4
Similar questions