← All lessons
📈 Optional Mathematics - Class 10
Home
›
Class 10
›
Optional Mathematics
›
Lesson 7: Height and Distance
›
Transformation of Trigonometric Identities
Lesson 7 · Height and Distance
Transformation of Trigonometric Identities
Optional Mathematics
Subject
8 min
Estimated read
📖
Note
⭐
Points to Remember
✏️
Practice Questions
🧪
Practice Test
🖥️
Presentation
Question 1 of 15
1
Which expression is equal to \( 2\sin A\cos B \)?
\( \cos(A+B) + \cos(A-B) \)
\( \sin(A+B) + \sin(A-B) \)
\( \sin(A+B) - \sin(A-B) \)
\( \cos(A-B) - \cos(A+B) \)