Math, asked by ritikajakhotiya4895, 7 months ago

If the triangle PQR varies, then the minimum value of
cos (P+Q) + cos (Q+R) + cos (R+P) is
[A] _ 5
3
[B] _ 3
2
[C] 3
2
[D] 5
3

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Answers

Answered by eshika081
1

Step-by-step explanation:

Can you please tell me from which book are you studying???

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