5 cos 60° + 4 cos 2 30°- tanº 45°
30. Evaluate :
sin? 30° + cos 60°
Answers
Answered by
1
Step-by-step explanation:
1/2+1/2=1
5cos60+4cos30-tan45
5×1/2+4√3/2-1
5/2-2√3-1
Answered by
2
Step-by-step explanation:
- 5cos60=5/2
- 4cos2.30=2
- Tan45=1
- Sin30=1/2
- Cos60=1/2
- 5/2+2-1+1/2+1/2
- Ans====5/2=2.5
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