Prove algebraically that 1- tan? z sin(2r) ne 4 %3D 2 tan r cos? z - sin z The RHS (right-hand side) of the potential identity above simplifies to O -cot(2z) O tan(2z) cot(2z) -tan(2z) Is the expression above an identity? Yes No

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 44E
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Prove algebraically that
1– tan? z
sin(2r)
nE I
4
2 tan z
cos z – sinz
The RHS (right-hand side) of the potential identity above simplifies to
O - cot(2z)
O tan(2z)
O cot (2z)
O -tan(2r)
Is the expression above an identity?
O Yes
No
Transcribed Image Text:Prove algebraically that 1– tan? z sin(2r) nE I 4 2 tan z cos z – sinz The RHS (right-hand side) of the potential identity above simplifies to O - cot(2z) O tan(2z) O cot (2z) O -tan(2r) Is the expression above an identity? O Yes No
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