find the value of tan square 60 + cos square 30 by sin square 30 + cos square 60
Answers
Answered by
11
tan2 60 + Cos2 30 / Sin2 30 + Cos2 60
tan 60 = √3
cos 30 = √3/2
sin 30 = 1/2
cos 60 = 1/2
(√3)2 + (√3/2)2 / (1/2)2 + (1/2)2
3 + (√3)2/(2)2 + 1/4 + 1/4
(3+3 / 4 ) / (1/4 + 1/4)
(6 / 4) / (1/4 + 1/4)
(6 / 4) / ( 1+1 /4 )
( 3/2 ) / ( 2/4)
(3/2) / ( 1/2)
3/1
3
tan 60 = √3
cos 30 = √3/2
sin 30 = 1/2
cos 60 = 1/2
(√3)2 + (√3/2)2 / (1/2)2 + (1/2)2
3 + (√3)2/(2)2 + 1/4 + 1/4
(3+3 / 4 ) / (1/4 + 1/4)
(6 / 4) / (1/4 + 1/4)
(6 / 4) / ( 1+1 /4 )
( 3/2 ) / ( 2/4)
(3/2) / ( 1/2)
3/1
3
Attachments:
Answered by
5
hey mate your answer is 9.
Similar questions