Question Solved1 Answer How many solutions does tan?x+5cosx-8=0 have over the interval 0 < x < 211? Select one: O a. 2 O b.4 O c. 1 O d. 3

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Transcribed Image Text: How many solutions does tan?x+5cosx-8=0 have over the interval 0 < x < 211? Select one: O a. 2 O b.4 O c. 1 O d. 3
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Transcribed Image Text: How many solutions does tan?x+5cosx-8=0 have over the interval 0 < x < 211? Select one: O a. 2 O b.4 O c. 1 O d. 3
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Qull{:[=>tan^(2)x+5cos x-8=0],[(sin^(2)x)/(cos^(2)x)+5cos x-8=0],[sin^(2)x+5cos^(3)x-8cos^(2)x=0],[1+5cos 3x-9cos^(2)x=0],[5cos^(3)x-9cos^(2)x+1=0],[cos^(2)x(5cos x-9)=-1],[5cos x-9=-sec^(2)x],[sec^(2)x+5cos x-9=0] ... See the full answer