plz help!!
I'll definitely mark the answer as brainliest
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hope it will help you
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sin 60.cos 30- cos 60.sin 30 = cos(90-60).cos 30- cos 60.cos(90-30)
= cos 30.cos 30- cos 60.cos 60
=
= (√3/2)^2 - (1/2)^2
= 3/4-1/4
= 1/2
hope it helps..........
anshika321:
is it correct???????
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