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ത്രികോണമിതി കണ്ടുപിടിച്ചതാര്

Aപൈതഗോറസ്

Bഫൈയിൽസ്

Cയൂക്ലിഡ്

Dഹിപ്പാർക്കസ്

Answer:

D. ഹിപ്പാർക്കസ്


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