Math Problem Statement
Question 6 Which of the following expressions is equal to (sin 60°)(cos 30°) + (cos 60°)(sin 30°)?
Solution
We need to simplify the expression:
Step-by-step Solution:
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Substitute the trigonometric values for the specific angles:
So, the expression becomes:
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Simplify each term:
Now the expression becomes:
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Add the fractions:
Final Answer:
This expression is equal to 1.
Would you like a deeper explanation of any of these steps?
Here are 5 related questions to practice:
- Simplify .
- What is the value of ?
- Prove the identity: .
- Evaluate .
- Simplify the expression .
Tip: Trigonometric identities like can help simplify complex expressions!
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Angle identities
Trigonometric functions
Formulas
sin(A + B) = sin A cos B + cos A sin B
Theorems
Sum of angles identity for sine
Suitable Grade Level
Grades 9-11
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