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Find all solutions in [0, 2 ) . -27 tan2 x = -9
Online Surveys
Tools used for conducting surveys over the internet to collect data or opinions from a wide audience at a relatively low cost.
Email Surveys
A technique for gathering information and responses by distributing questionnaires to participants through email.
Pop-Up Blocker
A software feature or tool designed to prevent pop-up windows, frequently used for advertisements, from opening on a webpage.
Dichotomous Question
A type of question in a survey or questionnaire that has two possible answers, typically "Yes" or "No."
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