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Enter one side and second value and press the *Calculate* button:

sin *A* = opposite / hypotenuse = *a* / *c*

cos *A* = adjacent / hypotenuse = *b* / *c*

tan *A* = opposite / adjacent = *a* / *b*

csc *A* = hypotenuse / opposite = *c* / *a*

sec *A* = hypotenuse / adjacent = *c* / *b*

cot *A* = adjacent / opposite = *b* / *a*

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Users write Now: Danil Polyakhov • 8 months ago - God, no one reads the instructions ... EVEN, especially for stupid ones, there is a paragraph why 2 + 2 * 2 displays 8 ..... You don’t even need to count, just typed and EVERYTHING! But no, give them the order of actions, they are completely stupefied already!

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