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利用y=sinx的最值求函数y=c/asinx+b 的值城,比其它求值域的方法更简便。兹举几例,加以说明。一、当分母恒不等于零时,函数y=C/asinx+b的图象是连续的。此时。值域由该函数的最值所决定。
Using the value of y=sinx to find the value of the function y=c/asinx+b is more convenient than other methods of evaluating the domain. Here are some examples to illustrate. First, when the denominator constant is not equal to zero, the image of the function y=C/asinx+b is continuous. at this time. The range is determined by the function’s maximum value.