Math, asked by nageshmanish1496, 8 months ago

(13)
किसी AABC में सिद्ध कीजिए कि
cos 2A
a2
cos2B
b2
-1
ad
1
b2
InAARC Prove that:

Answers

Answered by sonali898766

3

Answer:

sorry for the not answer agar aap dayalu honge to karenge mark as brainliest thank me

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