if cosA = 2/5, find the value of 4+4 tan sq A
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cosA=2/5 then base of will be 2 Nd hypo will be 5 here by Pythagoras we can find out the altitude =12
now tanA =a/b=12/2
put the values Ato q
4+4tansq.A
4+4(12/2)sq.
150
now tanA =a/b=12/2
put the values Ato q
4+4tansq.A
4+4(12/2)sq.
150
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