For Exercises 7–14, verify the identity. sinxtan?x – sinxr 7. cosxtanx + cosx tanx(tan.x – 1) 3 sin'x – sinx – 2 8. cosxsinx - cos.x 3 tanx + 2 secx 1 1 9. cscx - 1 1 - sinx 10. 2 tanxsecx cscx + 1 cosx 1 + sinx 11. In|cscx| + In|tan.x| = In|sec.x| cosx 12. In/tan.x| – In|sin.x| + In|cos.x| = 0 13. cosx + sin(-x)tan(-x) = secx 14. [csc(-x) + 1](cscx + 1) = -cot?x
For Exercises 7–14, verify the identity. sinxtan?x – sinxr 7. cosxtanx + cosx tanx(tan.x – 1) 3 sin'x – sinx – 2 8. cosxsinx - cos.x 3 tanx + 2 secx 1 1 9. cscx - 1 1 - sinx 10. 2 tanxsecx cscx + 1 cosx 1 + sinx 11. In|cscx| + In|tan.x| = In|sec.x| cosx 12. In/tan.x| – In|sin.x| + In|cos.x| = 0 13. cosx + sin(-x)tan(-x) = secx 14. [csc(-x) + 1](cscx + 1) = -cot?x
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 24E
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