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This unit looks at the solution of trigonometric equations. In order to solve these equations we shall make extensive use of the graphs of the functions sine, cosine and tangent.
andout on i. verse trigonometricfunctions.) Use the INV key (or 2nd func. ion key) and the SIN key with. to get an answer of 30 . Example 3: Solve for x : 3sin x 2 sin x c. s x 0 , 0 x 2 .Solution: Factor the expression on the l. Example 4: Solve for x : sin2x sin x .
These solved problems include the proofs of the theorems and the derivation of formulas. The chapters end with a set of supplementary problems with their answers. Triangle solution problems, trigonometric identities, and trigonometric equations require a knowledge of elementary algebra.
Created by T. Madas Created by T. Madas 9. sin 3cos 2sin 3 3 x x x π π + − + ≡ (**) 10. cos 3sin 2cos 3 3 x x x π π
Solve each of the following trigonometric equations. a) cos 30 sin ( θ θ+ ° = ) , 0 360≤ < °θ b) 3cos 30 sin 60 ( x x + ° = − ° ) ( ) , 0 360≤ < ° x
This book covers the major topics within the study of trigonometry, including vectors and their applications. At the University of Minnesota, this material is 75% of the PreCalculus II course, with the remaining 25% of that course covering algebraic topics which are included in a separate text.
Section 1.4 completes the definition of trigonometric functions, using the Unit Circle, by introducing tangent, cosecant, secant, and cotangent functions. Section 1.5 explores connections
