cos 30° = ½√3
cos 45° = ½√2
cos 60° = ½
sin 30° = ½
sin 45° = ½√2
sin 60° = ½ √3
tan 30° = ⅓√3
tan 45° = 1
tan 60° = √3
cos 30° + sin 30° + tan 30°
½√3 + ½ + ⅓√3
3√3 + 3 + 2√3 / 6
3√3 + 2√3 + 3 / 6
( 3 + 2 ) √3 + 3 / 6
5√3 + 3 / 6
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cos 30° = ½√3
cos 45° = ½√2
cos 60° = ½
sin 30° = ½
sin 45° = ½√2
sin 60° = ½ √3
tan 30° = ⅓√3
tan 45° = 1
tan 60° = √3
cos 30° + sin 30° + tan 30°
cos 30° + sin 30° + tan 30°
½√3 + ½ + ⅓√3
3√3 + 3 + 2√3 / 6
3√3 + 2√3 + 3 / 6
( 3 + 2 ) √3 + 3 / 6
5√3 + 3 / 6