4/ cos2 30° + 1/ sin2 60° _cos 2 45°
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the answer is 37/4 .
the values of cos30°=√3/2=sin60°
cos45°= 1/√2
the values of cos30°=√3/2=sin60°
cos45°= 1/√2
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your answer is 37/6 //
hope it helps you a lot.
thank you very much
hope it helps you a lot.
thank you very much
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