More Advanced Problems.
1) Without using technology, determine whether each statement is true or false. Justify your answer.
a) sin 151° = sin 29°
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b) cos 135° = sin 225°
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c) tan 135° = tan 225°
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d) sin 60° = cos 330°
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e) sin 270° = cos 180°
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2) Consider an angle in standard position with r = 12 cm. Describe how the measures of x, y, sin θ,
cos θ, and tan θ change as θ increases continuously from 0° to 90°.