peach816
peach816
08-01-2018
Mathematics
contestada
3 tan x cos x cot x = 3cosx. true or false?
Respuesta :
Аноним
Аноним
08-01-2018
And the answer is false.
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Аноним
Аноним
08-01-2018
tan x = 1 / cot x
so tanx * cot x = 1/cot x * cotx = 1
so 3 tanx cos x cotx = 3 cos x * 1 = 3 cos x
True
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