Robin claims that tan 45º is equivalent to cos 90°. Bradford very adamantly disagrees with Robin, and declares that tan 45ºis equivalent to cos 0° Who is correct? Justify your answer.
ALGEBRA
LLATION
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What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a