If 2sin²ß - cos²ß = 2 then ß is ______
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Step-by-step explanation:
if b = 45
because when we put b= 45° we get the value= 2
LHS= RHS
Answer:theta =90Step-by-step explanation:
sin2theta= 2 1-sin²theta
cos²theta =2cos²theta. identifies
0= 3cos²theta
costheta =0cos
90degree is zero
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