cos^2 60° + sec^2 30° + tan^2 45° Solve this real fast please....
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cos² 60° + sec² 30° + tan² 45°
= (1/2)² + (2/√3)² + (1)²
= 1/4 + 4/3 + 1
= 3+16+12 / 12
= 31/12
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