5272道题目5525 条题源记录 · 相同内容已合并
三角函数・单位圆与弧度进阶
What is the value of \( cosB \) in the right triangle shown?
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三角函数・单位圆与弧度进阶
The measure of angle S is \( \frac{8π}{13} \) radians. The measure of angle T is 3 times the measure of angle S. Which expression represents the measure, in degrees, of angle T？
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三角函数・单位圆与弧度进阶
In the right triangle shown, the value of tan x° is \( \frac{c}{39} \). What is the value of c?
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三角函数・单位圆与弧度进阶
Triangle \( XYZ \) shown is a right triangle. Which of the following has the same value as sin \( X \)?
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三角函数・单位圆与弧度挑战
In right triangle RST, the sum of the measures of angle R and angle S is 90 degrees. The value of sin(R) is \( \frac{3\sqrt{17}}{13} \). What is the value of cos(S)?
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三角函数・单位圆与弧度进阶
The measure of angle R is \( \frac{5}{6}π \) radians. The measure of angle T is \( \frac{7π}{12} \)radians greater than the measure of angle R. What is the measure of angle T, in degrees?
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三角函数・单位圆与弧度进阶
According to a US law, ramps for use by the general public must form an angle with level ground such that \( tanθ≤\frac{1}{12} \). If the ramp in the figure conforms to this law and has a height of 28.4 inches, what is the least possible value of x, in inches?
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三角函数・单位圆与弧度进阶
In the triangle shown, \( RS=\sqrt{167} \). What is the value of sin \( R \)?
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三角函数・单位圆与弧度进阶
What is the value of sin 18π?
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三角函数・单位圆与弧度进阶
In triangle \( QRS \) shown, \( QR<RS \) . Which expression represents the length of \( QS \) ?
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三角函数・单位圆与弧度进阶
In the right triangle shown, c is a constant. The value of \( sinx°=\frac{k}{6} \) where k is a constant. What is the value of k?
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三角函数・单位圆与弧度进阶
In the right triangle shown, c is a constant. The value of \( sinx°=\frac{k}{c} \), where k is a constant. What is the value of k?
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