Disha Learning
/forums
Answers
Question :
Prove that Sin²60 + cos²60- tan² 60 = - 2
Submitted on 23/08/2024
Answered by Vandana Rana
Share
Answer :
Sin
2
60 + cos²60- tan
2
60 = - 2
LHS =Sin
2
60 + cos²60- tan
2
60
=1-(root 3)² (using sin
2
A + cos
2
A = 1 )
=1 - 3
= -2
=RHS