Height and Distance

Height and Distance

Trigonometry: In a right angled  OAB, where BOA = ,

1.   sin  =	Perpendicular	=	AB	;
	Hypotenuse		OB

2.   cos  =	Base	=	OA	;
	Hypotenuse		OB

3.  tan  =	Perpendicular	=	AB	;
	Base		OA

4.  cosec  =	1	=	OB	;
	sin		AB

5.   sec  =	1	=	OB	;
	cos		OA

6.  cot  =	1	=	OA	;
	tan		AB

Values of T-ratios:

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