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Nilai dari frac cos 120 ° +sin 225 ° cos 240 ° -sin 315 ° adalah . A、 3+ square root of 2 D. 3-2 sq...
4 months ago
Q:
Nilai dari frac cos 120 ° +sin 225 ° cos 240 ° -sin 315 ° adalah . A、 3+ square root of 2 D. 3-2 square root of 2 B. 1+ square root of 2 E. -3+2 square root of 2 C. 3- square root of 2
Accepted Solution
A: