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...
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...