Consider a problem of rotating A digital figure by 30 degrees anti clockwise. Which of the following matrix would do the transfo
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The answer is the first option, 
Start by knowing that the cosine function is
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For angle θ, find the adjacent side and hypothesis of the given triangle. These are 24 and 26, respectively. Simply put those into the cosine function, simplify, and you have your answer.
Start by knowing that the cosine function is
For angle θ, find the adjacent side and hypothesis of the given triangle. These are 24 and 26, respectively. Simply put those into the cosine function, simplify, and you have your answer.