Question

if sin 0=x/y then the value of cos '0' is ​

Answer 1

Answer:

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Step-by-step explanation:sin(x−y)=cos(x+y)= 21

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,and x,y∈(0,180 ∘)⇒x+y=60 ∘ and x−y=30 ∘ thus the solution is,x=45 ∘ and y=15 ∘

Answer 2

Answer:

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