This revision of a best-selling plane trigonometry text for freshmen and sophomores maintains the trademarks of clear, concise exposition coupled with graded problems. The result is a fresh and modern version of a classic text. Major changes include an emphasis on the use of calculators and calculator-related exercises, the use of radian measures appearing after Chapter 5 to help prepare students for analytic geometry or calculus, the expansion of Chapter 9 to include more applications as well as the addition of polar, exponential functions, and a greater emphasis on graphing.
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THE TRIGONOMETRIC FUNCTIONS
SOLVING TRIANGLES AND APPLICATIONS
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acute angle algebraic amplitude angle of elevation arcsin axes axis complex numbers Compute cos(A cos2 cos3 cos4 cot2 coterminal csc2 definition degree distance double-angle formulas equal exact values Example 1 Find exponential Express False find the value foci formula func given graphing calculator Hence holds true horizontal hyperbola imaginary number integer inverse inverse function INVERSE TRIGONOMETRIC FUNCTIONS km/h law of cosines law of sines left side logarithm mi/h multiple nearest negative obtain odd function parabola parametric equations permissible values plane polar coordinates problems Pythagorean theorem quadrant r(cos radian measure radians radius real number related angle related-angle theorem REVIEW EXERCISES right triangle roots rotation sec2 Section sin(A sin2 sin3 sin4 sines and cosines sinl Solution speed square standard position tan(A tan2 tangent terminal side tion trigono trigonometric functions vector velocity vertex vertical