Appendix A - Trigonometry Formulas - Calculated Industries Sheet Metal/HVAC Pro Calc User Manual

APPENDIX A — TRIGONOMETRY FORMULAS
The Sine of an angle is the ratio of the opposite side over the
Hypotenuse:
Sine
Sin =
The Cosine of an angle is the ratio of the adjacent side over the
Hypotenuse:
Cosine Cos =
The Tangent of an angle is the ratio of the opposite side over the
adjacent side:
Tangent Tan =
Opposite
Hypotenuse
Adjacent
Hypotenuse
Opposite
Adjacent
c
a
sin A =
A
b
c
a
cos A =
A
b
c
a
tan A =
A
b
U ' G
SER S
a
c
b
c
a
b
— 101
UIDE