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Find the exact value of the other 5 trigonometric ratios using the information given. \text { 1) } \cos \theta=-\frac{2 \sqrt{5}}{5} \text { and } \sin \theta<0 \text { 2)

} \cos \theta=-\frac{4}{5} \text { and } \sin \theta<0 \text { 3) } \csc \theta=\frac{\sqrt{7}}{2} \text { and } \cos \theta>0 \text { 4) } \cot \theta=-\frac{12}{5} \text { and } \cos \theta<0

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