Question

if sin∅ = x/y then cos ∅ is​

Answer 1

Answer:

sin theta = x/y then cos theta is y/x

Answer 2

Step-by-step explanation:

Sin^2A - Cos^2A = 1

Cos^2A = Sin^2A -1

CosA = √Sin^2A-1

= √(X/Y)^2 -1

= √X^2-Y^2/Y^2

=(√X^2-Y^2)/Y