Evaluate
2cot² 60°+3sin² 45° + 2cos²0
Answers
Answered by
0
Answer:
9.5
Step-by-step explanation:
2cot²60°+3sin²45°+ 2cos²0°
2(√3)² + 3()² + 2(1)²
2(3) + 3(1/2) + 2
6+ 3/2 + 2
(12+3+4)/2
19/2 = 9.5
Answered by
0
Answer:
25/6
Step-by-step explanation:
cot 60°= 1/√3
sin 45°= 1/√2
cos 0°= 1
therefore.......
2*(1/3) + 3*(1/2) + 2*1
=2/3 + 3/2 + 2
= (4+9+12)/6
=25/6
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