Examlex
Use a double-angle formula to rewrite the expression.
Leisure Time
Free time that an individual can use for relaxation, recreation, or personal interests, distinct from time spent on obligatory activities such as work or household chores.
Recreation
Activities undertaken for enjoyment, leisure, and relaxation, typically during one's free time.
Student
A student is an individual who is engaged in learning, especially one who is enrolled in a school or educational institution.
Guitarist
A musician who plays the guitar, a stringed musical instrument.
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