If cosA=2/5,find the value of 4+4tan²A
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cos A=2/5
=b/h
p=√21
tan A =p/b
=4+4*(√21/2)
=4+4*21/2
=4+2*21
=4+42
=46
=b/h
p=√21
tan A =p/b
=4+4*(√21/2)
=4+4*21/2
=4+2*21
=4+42
=46
Answered by
1
here is ur ans dear
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