Find the other solution to the equation.的意思?

问题描述:

Find the other solution to the equation.的意思?
The angle of depression from the edge of a cliff of height 135m to a boatis 39.
The angle of depression from the edge of a cliff of height 135m to a boatis 39.这一句也是

找到方程式的另一种解法.
从135m高的悬崖上看一条船时的俯角.