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(sq.rt 2) (tanx)(cosx) = tanx
15 years ago

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drwls
sqrt2 cos x = 1
cosx = 1/sqrt2

x = 45 degrees and 315 degrees
15 years ago
drwls
tan x = 0 is also a solution. That leads to two more possible values of x.

See if you can figure out what they are.
15 years ago

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