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sinx can take -1/√2 at 225° and 315°.
cosx can take -1/2 at 120° and 240°.
tanx can take -√3 at 120° and 300°.
therefore sum is 1320° which is equal to 22π/3 radian
cosx can take -1/2 at 120° and 240°.
tanx can take -√3 at 120° and 300°.
therefore sum is 1320° which is equal to 22π/3 radian
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