SOLUTION: secxcos(-x) -sin2x 2 is sqared

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Question 41395This question is from textbook
: secxcos(-x) -sin2x
2 is sqared This question is from textbook

Answer by venugopalramana(3286) About Me  (Show Source):
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secxcos(-x) -sin2x
2 is sqared
DO YOU MEAN SEC(X)COS(-X)-{SIN(2X)}^2.....IF SO...THEN...
{(1/COS(X)}(C0S(X)-{SIN(X)}^2.SINCE COS(-X)=COS(X)
1-{SIN(2X)}^2={COS(2X)}^2