Trigonometric Functions
Trigonometric functions are available on the Construction Master™ Pro Trig (included in this application) and the Construction Master™ Pro Desktop (iPad only turn Desktop Version Preference ON).

To enable the trigonometric functions, access Preferences by pressing [Conv] [Store], and then toggle Trig Mode to ON. When you return to the calculator, the trigonometric keys will be visible, in place of the [Length], [Width], and [Height] keys.

The following drawing and formulas list basic trigonometric formulas, for your reference.



Keystroke Solution
A ÷ b [Cos] [=] Side C
A × b [Tan] [=] Side B
90° [-] b [=] Angle a
A ÷ a [Tan] [=] Side B
A ÷ a [Sine] [=] Side C
90° [-] a [=] Angle b
B ÷ b [Tan] [=] Side A
B ÷ b [Sine] [=] Side C
C × b [Cos] [=] Side A
C × b [Sine] [=] Side B
A ÷ C [=] [Conv] [Cos] Angle b
A ÷ C [=] [Conv] [Sine] Angle a
B ÷ a [Cos] [=] Side C
B × a [Tan] [=] Side A


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