Math, asked by nagarjunmaharana22, 11 hours ago

If A+B+C+D=180°, then cosA.cosB + cosC.cosD =?​

Answers

Answered by ankitchauhan9695
0

Answer:

0 is the required answer of what

Answered by mammunov
0

Answer:

Step-by-step explanation:

bye bye

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