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Introduction to Trigonometry Lessons
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Post a LessonAnswered on 17 Apr Learn CBSE/Class 10/Mathematics/UNIT V: Trigonometry/Introduction to Trigonometry
Sadika
Given: : : : : :
Answered on 17 Apr Learn CBSE/Class 10/Mathematics/UNIT V: Trigonometry/Introduction to Trigonometry
Sadika
To prove:
Let's start by simplifying each term separately:
Answered on 17 Apr Learn CBSE/Class 10/Mathematics/UNIT V: Trigonometry/Introduction to Trigonometry
Sadika
To prove:
Let's start with the left-hand side (LHS) of the equation:
Answered on 12/03/2022 Learn CBSE/Class 10/Mathematics/UNIT V: Trigonometry/Introduction to Trigonometry
Shailesh Kaushik
youtube @shaileshkaushik to have a look at my teaching method.
Tan A = 1 means A is 45 degrees.
which means cosA = cos45 = 1/√2 and sinA = sin45 = 1/√2
therefore, 2sinAcosA = 2 * 1/√2 * 1/√2
= 2 * (1/2)
= 1
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