Definition of the trigonometric functions which are used in this section.
|1||1 + cos2ιtan2(f + ω)|
|2||1 − sin2ιsin2(f + ω)|
|3||3 + cos2ι + 2sin2ιcos2(f + ω)|
|4||3 + cos2(f + ω) + 2cos2ιsin2(f + ω)|
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