evaluate3sin30°-4coscube60°
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0
Step-by-step explanation:
3sin30 - 4cos^360
3 x 1/2 - 4 (1/2)^3
3/2 - 4 x 1/8
3/2 - 4/8
3/2 - 1/2
3-1/2
2/2
1 Ans....
Answered by
0
Answer:
1
Step-by-step explanation:
3sin30°- 4cos^3 60°
=3×1/2- 4 [1/2]^3
we know that. (sin30°=1/2
cos60°=1/2)
= 3/2 -4/8
= 3/2-1/2
= 3-1/2
= 2/2
=1
I hope my answer will correct.
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