Mathematics
Senior High
赤から黄色になり、そしてそれが答えなのがよくわかりません
84 の関数 y=sin 20+sin+coseについて
(1) t=sin0+ cose とおいて,y を tの関数で
(2) tのとりうる値の範囲を求めよ。 (5点)
よって
y=t'+t-
(2) t = sin 0 + cos 0=√√2 sin (0+
よって -√2 ≧ts√2
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