if cos A = 2/5 find value of 4+4tansquare A
nkumaran:
the value would be 13
which value
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cos a=b/h=2/5
then p square =h^2-b^2
=25-4
=20
tan=p/b
=
root 20/2
then
4+4 (root 20/2)^2
4+4 (20/4)
4+20=24
then p square =h^2-b^2
=25-4
=20
tan=p/b
=
root 20/2
then
4+4 (root 20/2)^2
4+4 (20/4)
4+20=24
you can do similar triangles also
not sure depend on questions
ok you which state
thanks to mark my answer as brainliest
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