Cos 60°•cos 30°-sin 60°•sin 30°=?I)sin 90°Ii)cos 90°Iii)tan

1.	Cos 60°•cos 30°-sin 60°•sin 30°=?I)sin 90°Ii)cos 90°Iii)tan 90°Iv) none of these
Answer» ANSWER: HEY MATE. I HOPE it is RIGHT answer.

Cos 60°•cos 30°-sin 60°•sin 30°=?I)sin 90°Ii)cos 90°Iii)tan 90°Iv) none of these

Answer»

ANSWER:

HEY MATE.

I HOPE it is RIGHT answer.

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Cos 60°•cos 30°-sin 60°•sin 30°=?I)sin 90°Ii)cos 90°Iii)tan 90°Iv) none of these​

HEY MATE.

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Cos 60°•cos 30°-sin 60°•sin 30°=?I)sin 90°Ii)cos 90°Iii)tan 90°Iv) none of these