Q. 2

If sin θ= p and cos θ = q, what is the relation between p and q ?

Answer :

We know that,

cos2 θ + sin2 θ = 1 …(i)


Given : sin θ = p and cos θ = q


Putting the values of sin θ and cos θ in eq. (i), we get


(q)2 + (p)2 =1


p2 + q2 =1


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