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NAVEEN YADAV

· started a discussion

· 1 Months ago

putting alpha and beta 30 satisfy the equation
so 90 is the answer

Question:

  .

Options:
A)

45°

B)

60°

C)

90°

D)

120°

Solution:

Ans: (c)


srikanth prabhu

· commented

· 1 Months ago

put beta as 0 get tan2^alpha as 1

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