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SHANTANU KUMAR SINGH

· started a discussion

· 1 Months ago

WHERE IS THE SOLUTION (Question:489457.0)

KINDLY PROVIDE THE SOLUTION

Question:

If cos⁡Acos⁡B=x,sin⁡Asin⁡B=y   , then sin2 B is equal to:

Options:
A)

  

B)

  

C)

  

D)

  

Solution:

Ans: (b) 

  

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