If cosB =3/5, find the value of sec^2B-1
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hey mate here is your solution...
given cos B = 3/5
and sec B = 1 / Cos B = 5 / 3
sec^2 B - 1 =( 5 / 3) ^2 - 1 = 25 / 9 - 1
= (25 - 9) / 9 = 16 / 9 ans....
hope it will help✌
given cos B = 3/5
and sec B = 1 / Cos B = 5 / 3
sec^2 B - 1 =( 5 / 3) ^2 - 1 = 25 / 9 - 1
= (25 - 9) / 9 = 16 / 9 ans....
hope it will help✌
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