If A +B +C =π and cosA=cosB.cosC then cotB.cotC= 1/2 prove it
Answers
Answered by
2
Answer:
Step-by-step explanation:
brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest
Attachments:
Similar questions