Find the Exact Value of the Expression $\tan \left( \cos ^ { - 1 } \frac { 5 } { 13 } \right)$

question 114

Essay

Find the exact value of the expression. $\tan \left( \cos ^ { - 1 } \frac { 5 } { 13 } \right)$

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Definitions:

T Tubule

Tubular extensions of the plasma membrane in muscle cells, specifically skeletal and cardiac muscle cells, which facilitate rapid transmission of action potentials and ensure coordinated muscle contraction.

Calcium Ions

Positively charged calcium atoms that are crucial for many physiological processes including muscle contraction, nerve function, and blood clotting.

Troponin-Tropomyosin Complex

A protein complex involved in the regulation of muscle contraction in skeletal and heart muscles.

Sarcoplasmic Reticulum

A specialized type of smooth endoplasmic reticulum found in muscle cells, involved in the storage and release of calcium ions for muscle contraction.