1.

Observe the following statements (i)In ΔABC,bcos2C2+c cos2B2=s (ii)In ΔABC,cotA2=b+ca⇒B=900 Which of the following is correct?

Answer»

Observe the following statements

(i)In ΔABC,bcos2C2+c cos2B2=s

(ii)In ΔABC,cotA2=b+caB=900

Which of the following is correct?




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