1) sin 45°+ cos 45 - 2 cosec 45°.
2)Tan 45°-2 cos 60°+3 sin 30°.
3)cos 30°+ sin 60° +2 cosec 60°.
hitunglah.
2)Tan 45°-2 cos 60°+3 sin 30°.
3)cos 30°+ sin 60° +2 cosec 60°.
hitunglah.
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