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
For two acute angles, ∠Q and ∠R , \( cos(Q)=sin(R) \). The measures, in degrees, of ∠Q and ∠R are \( x+61 \) and \( 4x+4 \), respectively. What is the value of x?
原库参考解析
三角函数・单位圆与弧度进阶
\( RS=504 \)
\( ST=128 \)
\( TR=520 \)
The side lengths of right triangle RST are given. Triangle RST is similar to triangle UVW, where S corresponds to V and T corresponds to W. What is the value of \( tanW \)?
原库参考解析
三角函数・单位圆与弧度挑战
The measure of angle G is \( \frac{π}{10} \)radians. If the measure of angle G is 9n degrees, where n is a constant, what is the value of n?
原库参考解析
三角函数・单位圆与弧度进阶
In triangle QRS, what is the value of \( tany^{∘} \) ?
原库参考解析
三角函数・单位圆与弧度进阶
The measure of angle \( S \) is \( \frac{4π}{11} \) radians. The measure of angle \( T \) is 3 times the measure of angle \( S \). which expression represents the measure, in degrees, of angle \( T \)?
原库参考解析
三角函数・单位圆与弧度进阶
The measure of an angle, in radians, is (93)(2)π. What is the measure of the angle, in degrees?
原库参考解析
三角函数・单位圆与弧度进阶
In triangles RST and XYZ shown, XY is parallel to TS and tanR=\( \frac{216}{713} \). What is the value of sinX in triangle XYZ?
原库参考解析
三角函数・单位圆与弧度挑战
In triangle RST, RS=ST and the length of RT' is 48 units. If tanR=\( \frac{7}{24} \), what is the area, in square units, of triangle RST?
原库参考解析
三角函数・单位圆与弧度进阶
In trangle JKL, \( cosy°=\frac{58}{59} \) . What is the length of \( KL \) ?
原库参考解析
三角函数・单位圆与弧度进阶
The measure of angle K is \( \frac{π}{2(12)} \)radians. The measure of angle L is 12 times the measure of angle K. What is the measure, in degrees, of angle L?
原库参考解析
三角函数・单位圆与弧度进阶
In triangle JKL, \( cosy°=\frac{23}{24} \).What is the length of \( KL \) ?
原库参考解析
三角函数・单位圆与弧度进阶
The measure of angle K is \( \frac{π}{2(16)} \) radians. The measure of angle L is 16 times the measure of angle K. What is the measure, in degrees, of angle L?
原库参考解析
