Question

if sin =1 then find the value of cos​

Answer 1

SinA=1
Sin 90 =1
By comparing we can say that
A=90
By substituting A value in cosA
CosA =
Cos 90=0

Answer 2

Answer:

cos = 0

Step-by-step explanation:

sin = 1

sin^2 + cos^2 = 1

1^2 + cos^2 = 1

cos^2 = 1-1

cos^2 = 0

cos = 0

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