Sin²X+5/2 + cos²(2x/3)=tan²45
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this question is wrong
I can prove it
sin²x + cos²(2x/3) = 1 - 5/2
sin²x + cos²(2x/3) = ( - 3/2 )
value of sin² and cos² are positive; and sum of two positive values is always > 0...
I can prove it
sin²x + cos²(2x/3) = 1 - 5/2
sin²x + cos²(2x/3) = ( - 3/2 )
value of sin² and cos² are positive; and sum of two positive values is always > 0...
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