Math, asked by sathyabssj, 1 year ago

Can someone explain the steps did here...
Urgent fast

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Answered by batullehri5253p7ab4u
3

we know that

sin2 + cos 2 = 1

cos2= 1- sin2

cos = √ 1- sin2

this is done in the second step

then both the sides are squared

and then rhs and lhs is solved


sathyabssj: Thanks pa...
batullehri5253p7ab4u: pa..?
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