Discover Questions

Which pattern of speciation is most important in nature? Allopatric or sympatric why? 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)? ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ? Multiply matrices A and B of any sizes legally (no size compatibility requirment). What kind of matrix multiplication am I? Is it true that the oxidation number of an ion is equal to its protons subtracting its electrons?