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Mathematics, 08.04.2021 19:50 cexe468

Tan x = 3/4 and x is in first quadrant. Cos y = 7/25 and y is in second quadrant.
Find each of the following...

a. Sin (x + y)
b. Tan (x-y)
c. Cos 2y

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Tan x = 3/4 and x is in first quadrant. Cos y = 7/25 and y is in second quadrant.
Find each...
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