Math Problem Statement
- Show that: (a) sin 30° + cos 45° =
Solution
We will evaluate the trigonometric values for each angle:
Now, add these two values:
Since the denominators are the same, you can combine the numerators:
Thus, the final answer is:
Would you like a more detailed breakdown of how I arrived at this?
Here are some related questions:
- What is ?
- How do you simplify ?
- What is the exact value of ?
- How do trigonometric values of standard angles relate to the unit circle?
- Can you derive trigonometric values using right triangles?
Tip: Knowing standard trigonometric values (e.g., 30°, 45°, 60°) helps solve many problems quickly.
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Standard Angles
Formulas
sin 30° = 1/2
cos 45° = √2/2
Theorems
Trigonometric Functions of Standard Angles
Suitable Grade Level
Grades 8-10