5272道题目5525 条题源记录 · 相同内容已合并
三角函数・单位圆与弧度挑战
Which measure, in radians, is equivalent to (47⋅180)°?
参考答案
三角函数・单位圆与弧度进阶
In triangle PQR, the sine of ∠Q is \( \frac{1}{2} \). What is the length of PQ?
参考答案
三角函数・单位圆与弧度进阶
In right triangle ABC, the tangent of \( ∠C \) is \( \frac{3}{4} \). What is the length of \( AB \)?
参考答案
三角函数・单位圆与弧度进阶
For two acute angles X and Y, the measure of angle Y is 32° and \( \frac{sinX}{cosY}=1 \). What is the measure, in degrees, of angle X?
参考答案
三角函数・单位圆与弧度进阶
What is the value of \( tanF \) in the triangle shown?
参考答案
三角函数・单位圆与弧度进阶
For two acute angles X and Y, the measure of angle Y is 24° and \( \frac{sinX}{cosY}=1 \). What is the measure, in degrees, of angle X?
参考答案
三角函数・单位圆与弧度挑战
The measure of angle F is \( \frac{π}{15} \) radians. If the measure of angle F is \( 6n \) degrees, where n is a constant, what is the value of n?
参考答案
三角函数・单位圆与弧度进阶
In the right triangle shown, what is the value of \( tanA \)?
参考答案
三角函数・单位圆与弧度进阶
In triangle QRS shown, QR < RS. Which expression represents the length of \( QS \)?
参考答案
三角函数・单位圆与弧度基础
An angle has a measure of \( \frac{2π}{15} \) radians. What is the measure of the angle in degrees?
参考答案
三角函数・单位圆与弧度挑战
In triangle ABC, the measure of angle A is 90 degrees. The cosine of angle B is \( \frac{17}{\sqrt{293}} \). What is the sine of angle C?
参考答案
三角函数・单位圆与弧度基础
In the right triangle shown, a, b, and c are positive constants. For an acute angle D, \( sinD=\frac{b}{c} \).
What is the measure of angle D, in degrees?
参考答案
