Owner's manual

40 — ITI SHEET METAL/HVAC PRO
TRIGONOMETRIC FUNCTIONS
Trigonometric functions are available on the ITI Sheet Metal/HVAC
Pro calculator.
The drawing and formulas below list basic trigonometric formulas,
for your reference:
Given side A and angle a, find:
Side C A ÷ a ç=
(i.e., 3f÷53•13ç=)
Side B A x a t=
Angle b 90° – a =
Given side A and angle b, find:
Side B A ÷ b t=
Side C A ÷ b S=
Angle a 90° – b =
Given side B and angle a, find:
Side A B ÷ a t=
Side C B ÷ a S=
Given side C and angle a, find:
Side A C x a ç=
Side B C x a S=
Given side A and side C, find:
Angle a A ÷ C =Çç
Angle b A ÷ C =ÇS
Given side B and angle b, find:
Side C B ÷ b ç=
Side A B x b t=