- Two math questions I don't understand?

Discover Questions

A 25.0mL solution containing .60M HCl was titrated with 0.50M NaOH. Calculate the pH before the titration and at equivalence point? Why anti Rh antibodies destroy foetal lamphocytes and dot effect mother s lamphocytes? Which pattern of speciation is most important in nature? Allopatric or sympatric why? Explain the process of lipid oxidation and formation of hydroperoxides? 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)?