5 ⎜ 2 2 ⎟ 2 2 ⎝ ⎠ cos = = − 2 2 t x 2 5 2 ⎛ ⎞ 21 sin = t ⎜ ⎟ 21 ⎛ 5 ⎞ 21 y cos = = − t x 2 tan = = = − = t − ⎛ ⎞ 2 x 5 ⎜ 2 ⎟ 2 ⎜ − ⎟ ⎝ ⎠ ⎛ 2 ⎞ ⎝ ⎠ ⎜ ⎟ ⎝ ⎠ = −1 tan = = t y csc = 1 = 1 = 1⋅ 5 = 5 ⋅ 21 = 5 t 21 ⎛ 2 ⎞ x ⎛ ⎞ 21 y 21 21 21 21 ⎜ − 2 ⎟ ⎝ ⎠ ⎜ 5 ⎟ = = = ⋅ = ⋅ = 1 1 2 2 2 = = = − ⎞ = sec 1 1 1⎛ 5 t csc 1 2 t − 5 2 2 2 ⎛ 2 ⎞ y ⎛ ⎞ 2 x ⎜ 2 ⎟ 2 ⎜ ⎟ ⎜ − ⎟ ⎝ ⎠ ⎝ ⎠ ⎝ ⎠ 2 1 1 ⎛ 2 ⎞ 2 2 ⎛ − ⎞ 2 ⎛ ⎞ x sec = = = t ⎟ = − ⋅ = − 2 1 − ⎜ ⎟ ⎜ − ⎟ ⎝ ⎠ 2 2 2 2 cot = = ⎝ t x 5 ⎠ = − 2 ⋅ 5 ⎛ 21 ⎞ y ⎝ 2 ⎠ 5 21 ⎜ 5 ⎟ ⎛ 2 ⎞ ⎝ ⎠ − x 2 21 2 21 =− ⋅ = − = = ⎝ ⎠ = −1 cot 2 t 21 21 21 ⎛ 2 ⎞ y ⎜ 2 ⎟ ⎝ ⎠
5 ⎜ 2 2 ⎟ 2 2 ⎝ ⎠ cos t = x = − 2 2 5 ⎛ 21 ⎞ sin t = 2 2 y ⎜ ⎟ 21 ⎛ 5 ⎞ 21 tan t = = = − = − cos t = x = − 2 x ⎛ 2 ⎞ 5 ⎜ 2 ⎟ 2 ⎜ − ⎟ ⎝ ⎠ ⎝ ⎠ tan t = y = ⎛ 2 ⎞ ⎜ ⎟ ⎝ ⎠ = −1 csc t = 1 = 1 = 1⋅ 5 = 5 ⋅ 21 = 5 21 x ⎛ 2 ⎞ y ⎛ 21 ⎞ 21 21 21 21 ⎜ − 2 ⎟ ⎝ ⎠ ⎜ 5 ⎟ = 1 = 1 = ⋅ 2 = 2 ⋅ 2 = sec t = 1 = 1 = 1⎛ − 5 ⎞ = − 5 csc t y 1 ⎛ 2 ⎞ 2 2 2 2 x ⎛ 2 ⎞ ⎜ 2 ⎟ 2 ⎜ ⎟ ⎜ − ⎟ ⎝ ⎠ ⎝ ⎠ ⎝ 2 ⎠ 1 1 ⎛ 2 ⎞ 2 2 ⎛ − 2 ⎞ sec t = = = 1 − x ⎛ ⎞ ⎟ = − ⋅ = − 2 ⎜ ⎟ ⎜ − 2 ⎟ ⎝ 2 ⎠ 2 2 cot t = x = ⎝ 5 ⎠ = − 2 ⋅ 5 y ⎛ 21 ⎞ 5 21 ⎝ 2 ⎠ ⎜ 5 ⎟ ⎛ 2 ⎞ ⎝ ⎠ − x 2 21 2 21 =− ⋅ = − cot t = = ⎝ 2 ⎠ = −1 21 21 21 y ⎛ 2 ⎞ ⎜ 2 ⎟ ⎝ ⎠
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