How do you verify the identity $tan^2theta+4=sec^2theta+3$ ?

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Answer 1 · 2017-02-07T09:02:26

we use the identity $" "1+tan^2theta=sec^2theta$

$"so taking the "LHS " "tan^2theta+4 =color(blue)((tan^2theta+1))+3$

$=color(blue)(sec^2theta)+3$

How do you verify the identity tan^2theta+4=sec^2theta+3tan^2theta+4=sec^2theta+3?