ONE QUESTION, ONE STEP
ZX-DAF458653ABluebook试题3 · 第 6 题
Bluebook试题3 · 原库模块 3 · Q6 原库参考解析
In right triangle RST, the sum of the measures of angle R and angle S is 90 degrees. The value of sin(R) is
. What is the value of cos(S)?参考答案：
解题思路
容易忽略的一步
. What is the value of cos(S)?
