find the value of x if cos(40+x)=sin 30
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Answered by
7
Cos(40+x)=sin30
Sin(90-(40+x)=sin30
50+x=30
X=20
Hope this helps u :-)
Sin(90-(40+x)=sin30
50+x=30
X=20
Hope this helps u :-)
Sarthak0603:
is 30 is angle
yes
then cos 60 is sin 30
therefore x=20
Answered by
0
X=20 because cos60=sin 30
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