Discover Questions

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)? If you started with 3.60g of Copper and reacted it with an excess of nitric acid what mass of copper hydroxide would you expect to recover? If I save 300 dollars every 2 weeks for 6months how much will I have? What the number degre of high acid? Affordable marmoset monkeys?