Discover Questions

Why is always a problem in recent years, aircraft, whether artificially or incidents? 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)? I need to describe two ways I would measure moles in chemistry lab and identify any equipment I would use? What about oxidation reaction charge? Multiply matrices A and B of any sizes legally (no size compatibility requirment). What kind of matrix multiplication am I?