Math, asked by madhuramohan20059, 3 months ago

Prove that sin20 - cos20
= 2sin²0 - 1

Answers

Answered by adityaraj2008

0

Step-by-step explanation:

a) 5 robots take 30 days to construct a dam. Assuming all robots work at the

same place, how long would it take 15 robots to construct the same dam?

hope it will help you

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