三角函数(诱导公式、三角函数单调性、对称轴)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/22 10:20:19
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![三角函数(诱导公式、三角函数单调性、对称轴)](/uploads/image/z/15098474-2-4.jpg?t=%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%28%E8%AF%B1%E5%AF%BC%E5%85%AC%E5%BC%8F%E3%80%81%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E5%8D%95%E8%B0%83%E6%80%A7%E3%80%81%E5%AF%B9%E7%A7%B0%E8%BD%B4%29)
解题思路:
解题过程:
(1)中g(x0)= 1+(1/2)*sin2x=1+(1/2)*sin[2( kπ-π/6)/2]
=1+(1/2)*sin( kπ-π/6)
∴当k为偶数时,g(x0)=3/4
当k为奇数时,g(x0)=5/4
最终答案:略
解题过程:
(1)中g(x0)= 1+(1/2)*sin2x=1+(1/2)*sin[2( kπ-π/6)/2]
=1+(1/2)*sin( kπ-π/6)
∴当k为偶数时,g(x0)=3/4
当k为奇数时,g(x0)=5/4
最终答案:略