and 4 others joined a min ago.
Continue with email
Solution:
For 2x+3y+5=0
slopem1=−ab=−23
Form2=−ab=−1−2=12
tanθ=|m1−m21+m1m2|
=|−23−121+(−23).(12)|
=74
θ=tan−1(74)OR60.26o