Discover Questions

Why erythrocytes have a light section in the middle? What forms when propene reacts with HCN? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)? 6g of Mg in 16g of O2 are burnt. Calculate mass of MgO formed.? Differentiate(t) = (cos^3 t+ 3cost +7)^9?