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# what is the value of sin²(α)+sin²(β)+sin²(γ)? why? ?

Update:

[This question is in regards to the topic of vectors, alpha, beta, and gamma referring to the direction vectors ]

Update 2:

* direction angles

### 2 Answers

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- Anonymous1 month ago
It was 0 but I don't remember.

Why because you were solving by every sine.

Sin^2(a) = Sin^2(180-b-g)

And then you can use the identities.

https://www.purplemath.com/modules/idents.htm

It should give you 0 but I don't remember. Try to solve it.

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