/\ ABC ಯಲ್ಲಿ A, B ಮತ್ತು C ಗಳು ಒಳಕೋನಗಳಾದರ...

`/_\ ABC` ಯಲ್ಲಿ A, B ಮತ್ತು C ಗಳು ಒಳಕೋನಗಳಾದರೆ `tan ((A+B)/2)` ಕ್ಕೆ ಸಮನಾದದ್ದು.

A

`sin(C/2)`

B

`cos(C/2)`

C

`cot(C/2)`

D

`tan(C/2)`

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