sec(theta) = 1 / cos(theta) = c / b. tan(theta) = sen(theta) / cos(theta) = a / b. cot(theta) = 1/ ... cos(2x) = cos^2(x) - sen^2(x) = 2 cos^2(x) - 1 = 1 - 2 sen^2(x). tan(2x) ...
espero haberte ayudado...
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sec(theta) = 1 / cos(theta) = c / b. tan(theta) = sen(theta) / cos(theta) = a / b. cot(theta) = 1/ ... cos(2x) = cos^2(x) - sen^2(x) = 2 cos^2(x) - 1 = 1 - 2 sen^2(x). tan(2x) ...
espero haberte ayudado...