Answer:
1)From ΔACB
tan 36= x/7
x= 7.tan 36
x= 5.086
2) Sin63=Opp/Hyp= 12/x
=>x=12/Sin63°
x= 13.47
3) Sin=x/MP
Sin 15°=x/12x=125 in 15°
x=3.11
hope it helps...
have a great day!!
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