How to evaluate the definite integral with trig and u substitution

Keywords
👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite integral. A definite integral is an integral in which the upper and the lower limits/boundaries are known, otherwise the integral is indefinite. There are various formulas, depending on the function, and methods used in evaluating the integral of a function.
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Organized Videos:
✅The Integral
• The Integral
✅Riemann Sum Approximation
• Riemann Sum Approximation
✅Evaluate Integrals
• Evaluate Integrals
✅Find the Particular Solution
• Find the Particular So...
✅Find The Integral of The Expression
• Find The Integral of T...
✅Evaluate Using The Second Fundamental Theorem of Calculus
• Evaluate Using The Sec...
✅Trapezoid Area Approximation
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✅Integration | Learn About
• Integration | Learn About
✅Separated Integrals Integration
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✅Find The Average Value of a Function
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✅Find the Antiderivative of a Function
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[@hunterhudzik1450]

Thank you boss man

[@shalonfernando2337]

Thx

[@olivertopa]

Sir ,why not 2 is used?

[@brianmclogan]

Where

[@gregoryharris5469]

because 2dx is equivalent to du, so he just used du

[@RandomGigabytes48]

thx sir