uppose that sin x= -1/2 and pi < x < 3pi/2 and that tan y= 5 and 0 < y < pi/2. find the following b.) sin (2x)=? c.) sin y=? d.) cos (x+y)=?

Question

suppose that sin x= -1/2 and pi < x < 3pi/2 and that tan y= 5 and 0 < y < pi/2. find the following

b.) sin (2x)=?

c.) sin y=?

d.) cos (x+y)=?

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