Sin, cos, and tan of special angles

(c)\newline(d)\newline(e)\newline(f)\newline55. In the figure, AB//DE,GC//DF,BCD A B / / D E, G C / / D F, B C D is a straight line, CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} and ED^F=84 E \hat{D} F=84^{\circ} .\newlineFind\newline(i) CD^E C \hat{D} E ,\newline(ii) AB^H A \hat{B} H .\newlineD. Find the\newline(c)\newline77. In the figure, AB//DF,EC//GH,FEH^=26 A B / / D F, E C / / G H, F \hat{E H}=26^{\circ} and EH^G=62 E \hat{H} G=62^{\circ} .\newline(i) DE^H D \hat{E} H ,\newline(ii) AB^C A \hat{B} C .\newline88. In the figure, AC//FG,DB//FE A C / / F G, D B / / F E , reflex CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 00 and CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 11.\newlineFind\newline(i) CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 22,\newline(ii) CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 33.\newline(ii) CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 44.\newline99. In the figure, CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 55 is a straight line and CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 66. Find the value of CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 77 and of CB^H=74,DC^G=148 C \hat{B} H=74^{\circ}, D \hat{C} G=148^{\circ} 88.\newline(a)
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