in a righ angle triangle ABC right angle at B in which ab=24 and bc=25 find cosA and tan A
Answers
Answered by
0
Step-by-step explanation:
i m in lower classes not in senior.........in class 6
Answered by
0
Answer:
Step-by-step explanation:In Δ ABC, B is at right angle.
Given, AB=24cm
BC=7cm
using Pythagoras theorem
AB
2
+BC
2
=AC
2
⇒(24)
2
+(7)
2
=AC
2
⇒AC=
(24
2
)+(7)
2
=
576+49
=
625
⇒AC=25CM
(i)sin A=
AC
BC
=
25
7
cos A=
AC
AB
=
25
24
(ii)sin C=
AC
AB
=
25
24
cos c=
AC
BC
=
25
7
I hope helpingyou
Similar questions