if sinX+sinY=a and cosX+cosY=b then prove 1/2sin(X-Y)=plus-minus root(4-a^2-b^2)
0.000841 to 4 decimal places
16(d ^ { 10 } \div 2)d ^ { 5 }
a strom in a certain catchment had 6 hours intervals of rainfall. If the area of the catchment is 50 km^2, estimate the index of t...
10×10^5
3.8451 to 2 decimal places
find the value of 3^-2
762÷0.32
1,950.50 - 1,449.95 explain the answer detailed
find the sum of first 20 numbers of an ap whose 4th term is 18 and 9th term is 38
