Find the unit tangent vector T(t) at the point with the given value of the parameter t.
20. r(t) = sin2t i + cos2t j + tan2t k, t = π/4
Calculus: An Applied Approach (MindTap Course List)
Precalculus: Mathematics for Calculus (Standalone Book)
Finite Mathematics and Applied Calculus (MindTap Course List)
Calculus: Early Transcendental Functions
Applied Calculus
Calculus: Early Transcendentals
Single Variable Calculus: Early Transcendentals, Volume I
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Essentials Of Statistics
Calculus (MindTap Course List)
Understanding Basic Statistics
Statistics for The Behavioral Sciences (MindTap Course List)
Single Variable Calculus
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Finite Mathematics
Probability and Statistics for Engineering and the Sciences
Intermediate Algebra
Elementary Geometry For College Students, 7e
Mathematical Applications for the Management, Life, and Social Sciences
Mathematical Excursions (MindTap Course List)
Trigonometry (MindTap Course List)
Elementary Technical Mathematics
Elements Of Modern Algebra
Contemporary Mathematics for Business & Consumers
Calculus of a Single Variable
Single Variable Calculus: Early Transcendentals
Calculus: Early Transcendental Functions (MindTap Course List)
Finite Mathematics for the Managerial, Life, and Social Sciences
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Study Guide for Stewart's Multivariable Calculus, 8th
Introduction To Statistics And Data Analysis
Elementary Geometry for College Students
Multivariable Calculus
Calculus (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
Mathematics For Machine Technology
Research Methods for the Behavioral Sciences (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
STATISTICS F/BUSINESS+ECONOMICS-TEXT
College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Discrete Mathematics With Applications
Essentials Of Statistics For Business & Economics
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Mathematics: A Practical Odyssey
College Algebra
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Calculus Volume 1