If
cos A. 2/5
= , find the value of 4 + 4 tan2 A
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4+4tan2A= 4(1+tan2A)
=4(sec2A)
=4(5/2)2
=4(25/4)
=25 ans
please mark me as brainlist
=4(sec2A)
=4(5/2)2
=4(25/4)
=25 ans
please mark me as brainlist
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