Trigonometric Equations

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Trigonometric Equations Section 8.3 Trigonometric Equations Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

For inverse cosine the calculator will only give an angle from 0 to π For inverse cosine the calculator will only give an angle from 0 to π. There is another angle in the interval from 0 to 2π with that cosine value in quadrant IV. Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Use INTERSECT to find solutions. This cannot be solved by previous methods but can be solved using a graphing utility. Y1= 3cos x + x Y2 = 4 Use INTERSECT to find solutions. Copyright © 2013 Pearson Education, Inc. All rights reserved

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