230问答网 > 求高中三角函数的学习方法和解题思路？以下边这倒题为例讲解：？已知sin⑷A⼀COS⑵B＋COS⑷A⼀sin⑵B＝1 ...

求高中三角函数的学习方法和解题思路？以下边这倒题为例讲解：？已知sin⑷A⼀COS⑵B＋COS⑷A⼀sin⑵B＝1 ...

2024-12-14 13:31:26

推荐回答（2个）

回答1：

将等式右边的1化为：sin(2)B+cos(2)B然后化简就可以得到了。
在解这种三角函数关系的时候银盯轿要注意上述sin(2)B+cos(2)B=1的应用，有的则饥是从左到右，锋肆而有的是从右到左

回答2：

If a hammer will hit a shield in Avengers
Hemsworth knows Whedon???s reputation for crackling dialogue and,five finger, in certain, his affinity for group dynamics. It comes as a relief simply because following his positive encounter with Thordirector Kenneth Branagh he feels particularly protective of the thunder god.
Hemsworth cut his teeth in soap operas in Australia and he knows too well that a recurring character can suffer when there???s a handoff (or frequent handoffs) amongst the creative team behind the camera.Working on a Tv show years ago we would have various directors coming by way of all of the time and 1 of the frustrating issues was having a various director come in with a completely diverse take on a character.
You'd desire to stop issues and say, Wait, this isnt consistent with what I did last week. But as you go along you sort of learn to be much less fragile. The far more you're open to new tips,five fingers shoes, the a lot more chance you've got to actually do fascinating issues. The character still looks the identical ?a it's me standing there ?§Cand the performance puts the stamp on it. If a character is inconsistent,fivefingers vibram, properly individuals are inconsistent in actual life too. What makes a character interesting will be the uncertainty and unpredictability of it. I am excited to hear some new suggestions that take [Thor] in some new directions.

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