Asked by Crystal
evaluate the following without using a calculator and please explain how
cos(arctan 3)
cos(arctan 3)
Answers
Answered by
Damon
draw right triangle
adjacent = 1
opposite = 3
hypotenuse = sqrt (10)
cos = 1/sqrt(10) = (1/10)sqrt 10
adjacent = 1
opposite = 3
hypotenuse = sqrt (10)
cos = 1/sqrt(10) = (1/10)sqrt 10
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