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how to convert angles like tan -1 (4/5) into proper angle notation ?? ( like 67 0 23, etc)

how to convert angles like tan-1 (4/5) into proper angle notation ?? ( like 67023, etc)

Grade:11

1 Answers

mohit sengar
39 Points
11 years ago

IN IIT U ARE NOT ASKED TO CONVERT SUCH ANGLES INTO PROPER ANGLE NOTATION 

THERE U ARE GIVEN ONLY THOSE ANGLES WHICH ARE MULTIPLES OF 15 AND CAN BE CALCULATED EASILY WITH THE HELP OF TRIGONOMETRY , AND THE ONE IMPORTANT RIGHT ANGLED TRIANGLE IN WHICH THE TWO SIDES ARE OF LENGTH 3 AND 4 UNITS AND HYPOTENUSE IF OF LENTH 5 AND WHICH HAVE THE TWO ANGLES OF MEASURE 37 AND 53 DEGREES

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