evaluate: 4/cos^2 30° +1/sin^2 30° - cos^2 45°
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Answer:53/6
Step-by-step explanation:
4/cos^2 30 =4/3*4=16/3
1/sin^2 30= 1/1*4 =4
Cos^2 45 = 1/2
Ans=53/6
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Answer:
please see the attachment
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