Show That the Equation Is Not an Identity by Finding $\left[ - \pi , \pi , \frac { \pi } { 2 } \right]$

question 219

Multiple Choice

Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.
-Graph in a $\left[ - \pi , \pi , \frac { \pi } { 2 } \right]$ by $[ - 3,3,1 ]$ viewing rectangle $y = 2 \left( \frac { \sin x } { 1 } - \frac { \sin 2 x } { 2 } + \frac { \sin 3 x } { 3 } - \frac { \sin 4 x } { 4 } + \frac { \sin 5 x } { 5 } - \frac { \sin 6 x } { 6 } + \frac { \sin 7 x } { 7 } \right)$

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Definitions:

Nuncupative Wills

Oral wills that are made by the testator in anticipation of imminent death, witnessed by others, and subject to legal restrictions.

Probate Referee

An appointed individual who evaluates the assets of a deceased person's estate for probate court proceedings.

Ambiguity

The presence of vagueness or uncertainty in meaning, often found in language, text, or legislation, leading to multiple possible interpretations.

Devise

In a will, a gift of real property.