(cos0+sin45+sin30)(sin90-cos45+cos60)
Answers
Answered by
7
Ans is 5/4 if u substitute the values u can get it
Answered by
26
(cos0+sin45+sin30)(sin90-cos45+cos60)
=(1 +1/(root2)+1/2)[1- 1/(root2)+1/2]
=[3/2+ 1/(root2)][3/2-1/(root2)]
=(3/2)^2 -[1/(root2)^2]
=9/4-1/2
=(9-2)/4
=7/2
=(1 +1/(root2)+1/2)[1- 1/(root2)+1/2]
=[3/2+ 1/(root2)][3/2-1/(root2)]
=(3/2)^2 -[1/(root2)^2]
=9/4-1/2
=(9-2)/4
=7/2
Similar questions