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2 votes
Please help!! Thank you

Please help!! Thank you-example-1
User Mayuko
by
8.9k points

2 Answers

4 votes

Answer:

(4) -1

Explanation:

f(pi/2) = 2(pi/2) =pi

g(f(pi/2)) = g(pi) = cos(pi) = -1

User Josh Hancock
by
7.0k points
7 votes

Answer:

-1

Explanation:

f(pi/2) = 2(pi/2) = pi

g(f(pi/2)) = g( pi) = cos (pi) = -1

User Drhagen
by
8.4k points

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