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erma4kov [3.2K]
3 years ago
15

Verify the identity. cot(x minus pi divided by two). = -tan x

Mathematics
1 answer:
slavikrds [6]3 years ago
5 0
Cot(x -pi/2) = (cos(x -pi/2))/(sin(x -pi/2)) = - sin x / cos x = - tan x 
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