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Sorry its sideways :)​

Sorry its sideways :)​
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1 vote
Sorry its sideways :)​

Sorry its sideways :)​-example-1
User DJJ
by
7.0k points

1 Answer

6 votes

Answer:

(√6 - √2) / 4

Explanation:

cos(x+y) = cosx siny - sinx cosy

cos(75°) = cos(30°+45°) = cos30° sin45° -sin30°cos45°

= √3/2 * √2/2 - 1/2 * √2/2

=(√6 - √2) / 4

User Frank Hagenson
by
7.6k points
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