Examlex
Evaluate the following expression.(x ≠ π/2+πn,where n is a whole number)
Sec5x (sec x tan x) - sec3x (sec x tan x)
Gestures
Physical actions or movements, particularly of the hands or face, used to express thoughts, intentions, or feelings without using words.
Written Communication
Refers to the process of conveying messages or information through written symbols, either printed or digital.
Tone of Voice
The quality or characteristic of a person's voice as it expresses emotions or attitudes.
Facial Expressions
Movements of the facial muscles that convey an individual's emotions, intentions, or social signals.
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