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Shtirlitz
[24]
3 years ago
6
Tanx-cotx=0 solve in radians
Mathematics
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1
answer:
Alex Ar
[27]
3 years ago
6
0
<span>tan x + 1 / tan x = 2
tan^2 x + 1 = 2 tan x
tan^2 x - 2 tan x + 1 = 0
( tan x - 1 )^2 = 0
tan x = 1
x = π/4 , 5π/4
</span>
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