help plzzzzzzzzzzzzz
Attachments:
Answers
Answered by
1
sina = 4/5. so, adj=√5×5-4×4
adj= √9= 3
4(sina/cosa)- 5(cosa)/1/cosa+ 4( cosa/sina)
=4(4/3)-5(3/5)/5/3+4(3/4)
=16/3-3/5/3+3
=7/3/14/3
=7/14
= 1/2
adj= √9= 3
4(sina/cosa)- 5(cosa)/1/cosa+ 4( cosa/sina)
=4(4/3)-5(3/5)/5/3+4(3/4)
=16/3-3/5/3+3
=7/3/14/3
=7/14
= 1/2
Answered by
1
the answer is 1 by 2
Attachments:
Nasra1:
can u plz mark d brainliest....
ok
thnks yr..
it's my pleasure
Similar questions