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Author Question: If x = tan , express sin(2) and cos(2) as rational functions of x. (Read 65 times)

strangeaffliction

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on: May 26, 2021

Question 1

If sin x = U, express  sin(3x) in terms of U.
◦ 2U + 3U2
◦ 3U + 4U3
◦ -3U + 4U3
◦ 4U - 3U3
◦ 3U - 4U3

Question 2

If x = tan θ,  express  sin(2θ)  and  cos(2θ) as rational functions of x.
◦ sin(2θ) = ,  cos(2θ) =
◦ sin(2θ) = ,  cos(2θ) =
◦ sin(2θ) = ,  cos(2θ) =
◦ sin(2θ) = ,  cos(2θ) =
◦ sin(2θ) = ,  cos(2θ) =
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Marked as best answer by strangeaffliction on May 26, 2021

fatboyy09

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Reply #1 on: May 26, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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strangeaffliction

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Reply 2 on: May 26, 2021
Great answer, keep it coming :)

Sarahjh

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Reply 3 on: Yesterday
Wow, this really help

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