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12 questions
sinα=cb
sinα=ca
sinα=ab
sinα=ba
sinα=rx
sinα=ry
sinα=yx
sinα=xy
sinβ=cb
sinβ=ca
sinβ=ab
sinβ=ba
cosβ=cb
cosβ=ca
cosβ=ab
cosβ=ba
cosα=cb
cosα=ca
cosα=ab
cosα=ba
tgα=cb
tgα=ca
tgα=ab
tgα=ba
tgβ=cb
tgβ=ca
tgβ=ab
tgβ=ba
sinβ=rx
sinβ=ry
sinβ=yx
sinβ=xy
cosβ=rx
cosβ=ry
cosβ=yx
cosβ=xy
cosα=rx
cosα=ry
cosα=yx
cosα=xy
tgβ=rx
tgβ=ry
tgβ=yx
tgβ=xy
tgα=rx
tgα=ry
tgα=yx
tgα=xy
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