McGraw-Hill Education SAT Subject Test Math Level 1 4th Ed. by John J. Diehl

McGraw-Hill Education SAT Subject Test Math Level 1 4th Ed. by John J. Diehl

Author:John J. Diehl
Language: eng
Format: epub
Publisher: McGraw Hill LLC
Published: 2016-01-15T00:00:00+00:00


Relationships Among Trigonometric Ratios

SECANT, COSECANT, COTANGENT

There are three other trigonometric functions that are reciprocal functions of those already mentioned—sine, cosine, and tangent. Again, take a look at ΔABC:

is the side opposite ∠A. is the side adjacent to ∠A. is the hypotenuse. The three remaining trigonometric ratios for ∠A are

The cosecant, secant, and cotangent functions are abbreviated as csc, sec, and cot respectively. As with any reciprocal, a function multiplied by its reciprocal equals 1.



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