Answer:
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Answer:
The absolute value of any number will always be positive meaning that if you start with a positive number the sum of its absolute value will not be zero. Although if you start out with a negative number the sum of its absolute value will be zero.
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Step-by-step explanation:
Vì tam giác ABC vuông tại C nên ta áp dụng định lí pitago=> AB²=AC²+BC²=0.9²+1.5²=3.06=>AB= (3 căn bậc hai của 34)/10
sin B=AC/AB=(3 căn bậc hai của 34)/34
cos B=BC/AB
tan B= AC/BC
cot B= BC/AC
Tương tự suy ra tỉ số lượng giác góc A
Answer:i am not sure about this
Given Statement:
Angela is very tired after working outside all day.
Conditional Statement:
If she was working outside all day, then angela is very tired.
Converse Statement:
If angela is very tired, then she was working outside all day.
Inverse Statement:
If angela did not work outside all day then she will not be tired
Contrapositive Statement:
If angela is not tired then she did not work outside all day
Biconditional Statement:
Angela is very tired if and only if she worked outside all day
Step-by-step explanation:
