2 sin 20 cos 20=... a. sin 10 d. cos 40 b. tan 20 e. cot 40
Saluranedukasion 2024-04-07T19:44:39.000Z
2 sin 20 cos 20=... a. sin 10 d. cos 40 b. tan 20 e. cot 40 c. sin 40
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