Question

if sec theta = 5/4 , evaluate 1-tan theta/1+tan theta

Answer 1

sec@ =5/4

we know ,
sec@ =h/b =5/4
p=√(5^2-4^2)=3

now, tan@ =p/b =3/4

so, (1 - tan@)/(1 +tan@)

=>(1 -3/4)/(1+3/4)

=>(1/4)/(7/4)=1/7 (answer)

Answer 2

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