The value of cos²30° + sin²60° + tan²45°

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cos² 30° + sin² 60° + tan² 45° + sec² 60° + cos 0°

=			√3		² +			√3		² + (1)² + (2)² + 1
			2					2

=		3	+	3	+ 1 + 4 + 1
		4		4

= 6 +	3 + 3
	4

= 6 +		6	= 6 +	3	=	12 + 3
		4		2		2

=		15	= 7	1
		2		2