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c Secure https://mathas.pvc.maricopa.eduwassessment/showtest.php?action-skip&tom4; Course Messages Forums Calendar Gradebook Log out Home MAT182-- Summer 2017 Assessment Extra 5.4 Assignment Questions Simplify and write the trigonometric expression in terms of sine and cosine: tan cot z Q 1 [1/1] f(z) Q 2 (0/1) f(z) Preview Q3 (0/1) Q4 (0/1) Get help: Worked Example 9.5 (011) D- (0/1) Points possible: 1 Q7 [111] Unlimited attempts. Q8 [1/1] Q9[111] Q 10 [1/1] Submit Jump to Answer Grade: 6/11 Print version

Explanation / Answer

f (x) = 1 / tan x + cot x

= 1 / (sin x / cos x) + ( cos x / sin x)

= 1 / ((sin2 x + cos2 x) / (sin x cos x))

= 1 / (1 / sin x cos x)

= sin x cos x

Or f (x) = sin x cos x

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