How can I calculate cos ^2 (53)?
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Oct 20, 2006 #2 Doc Al Mentor 44,945 1,206 What don't you understand? I assume you have a calculator and you realize that cos ^2 (53) = [cos(53)]squared.
What don't you understand? I assume you have a calculator and you realize that cos ^2 (53) = [cos(53)]squared.
Oct 20, 2006 #3 andrevdh Homework Helper 2,128 116 Take the cos of the angle, [itex]\cos[/itex], then square the value obtained, [itex]x^2[/itex].