Answer:
about 2.47
Step-by-step explanation:
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Answer:
"ELO MESSI"
Step-by-step explanation:
Hope it helps
Yes it is true:
(1 - cos^2 x) = sin^2 x Sqr.(1 - cos^2 x) = sin x and (-sinx) True, since sin x negative. Also, x terminates in quadrant 3 and 4. Hope this is helpful