Question

if sinx+cosx=0,x lie in fourth quadrant .find sinx and cosx​

Answer 1

Answer:

Sinx= -1/root2

Cosx=1/root2

Step-by-step explanation:

Sinx+cosx=0

=>cosx =-sinx

=>cos is positive in fourth quadrant!

So,

The only value for cosx =sinx is “n pie/4’

Therefore, sinx =-1/root2

Cosx=1/root2

Ans!!

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