Recent content by Fanekaz

  1. F

    Proof of sen² 25º + cos² 45º + sen² 65º = 3/2

    Homework Statement Show that sen² 25º + cos² 45º + sen² 65º = 3/2 Homework Equations cos 45º= 1 The Attempt at a Solution I get confused with the ² on the cos and sen...
  2. F

    Physics Problem: Tension Calculation for Two Bodies on a Frictionless Surface

    thanks i will try that
  3. F

    Physics Problem: Tension Calculation for Two Bodies on a Frictionless Surface

    Homework Statement There are two bodies, A and B, body A as 4,0 kg and B as 8,0 kg, the bodies are in a horizontal surface, with no friction. Both bodies are connected by a non-extensible string with unknown mass, which doesn't matter to the case. The bodies are moving under de action of a...