Answer:
Surplus (extra) food from agriculture on river valleys
Answer:
Step-by-step explanation:
sin(x) + tan(x)=sin(X) + sin(x)/cos(x)
=sinx(1+1/cosx)
=sinx(1+secx)
=1+secx/cosecx. (Since sinx=1/cosecx)
Hence LHS=RHS proved
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the answer is 8
This is subtraction property of equality.
Answer:B)
