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neeraj meena

· started a discussion

· 1 Months ago

plese any short trick

Question:

If cosA + cosB = m and sinA + sinB = n where m1 n ≠ 0, then what is sin (A + B) equal to ?

Options:
A)

  

B)

  

C)

  

D)

  

Solution:

Ans: (b)

  

Krishan Murari jangid

· commented

· 1 Months ago

Yet to be approved!

ravikant beniwal

· commented

· 1 Months ago

Yet to be approved!

Amrendra Sandilya

· commented

· 1 Months ago

Yet to be approved!

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