题目内容
sin(
)=
,则x=______.
| x+15° |
| 2 |
| ||
| 2 |
∵sin(
)=
,
而sin60°=
,
∴
=60°,
∴x=105°.
故答案是105°.
| x+15° |
| 2 |
| ||
| 2 |
而sin60°=
| ||
| 2 |
∴
| x+15° |
| 2 |
∴x=105°.
故答案是105°.
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| x+15° |
| 2 |
| ||
| 2 |
| x+15° |
| 2 |
| ||
| 2 |
| ||
| 2 |
| x+15° |
| 2 |