Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Fundamentals of Trigonometric Identities
Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.
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1. Find the exact value of x in the figure.

8. Suppose ABC is a right triangle with side lenghts a, b and c and right angle at C. Find the unkown side lenght and then the value of the indicates trigonometric functions of the abgle. Find csc B when a =3 and b=7.

10. An equation of the terminal side of an angle theta in standard position is given along with a restriction on x. Fein the indicated trigonometric function value of theta.

15. Evaluate the expression cot 270 degrees + 6 cos 180 degrees + 5 sec(squared) 360 degrees.

16. Find the equation of a line passing through the origin so that thr sine of the angle between the line in quadrant I and the positive x-axis is squareroot of 2/2.

4. ind the exact value of x In te f value of x in 屰 14 45 r Sypese ABC is at sie legh at C. Find fr unhoun side leayth usinp the Sice len I equetion of the teningl side of en Bn
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Transcribed Image Text:4. ind the exact value of x In te f value of x in 屰 14 45 r Sypese ABC is at sie legh at C. Find fr unhoun side leayth usinp the Sice len I equetion of the teningl side of en Bn
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