Find the value of :-4Cos³ 30° - 3Cos 30°Irrelevant, short and copie

1.	Find the value of :-4Cos³ 30° - 3Cos 30°Irrelevant, short and copied answer will be reported. (Answer only if you know)
Answer» cos30°=√3/2 4cos^3 30°-3 COS 30 4 X (√3/2)^3 - 3 x √3/2 4 x 3√3/8 - 3√3/2 12√3/8 - 3√3/2 Take the L.C.M 12√3-12√3 /3 =0

Find the value of :-4Cos³ 30° - 3Cos 30°Irrelevant, short and copied answer will be reported. (Answer only if you know)

Answer»

cos30°=√3/2

4cos^3 30°-3 COS 30

4 X (√3/2)^3 - 3 x √3/2

4 x 3√3/8 - 3√3/2

12√3/8 - 3√3/2

Take the L.C.M

12√3-12√3 /3

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Find the value of :-4Cos³ 30° - 3Cos 30°Irrelevant, short and copied answer will be reported. (Answer only if you know)​

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Find the value of :-4Cos³ 30° - 3Cos 30°Irrelevant, short and copied answer will be reported. (Answer only if you know)