Introduction to Trigonometry
CH08 Question Bank
CBSE_CH08_QUESTION_BANK
Grade 10
Question:
Evaluate: $\sin 60^\circ \cos 30^\circ + \cos 60^\circ \sin 30^\circ$.
Step-by-Step Solution
Key Concept: Substitute the standard values and simplify.
$=\dfrac{\sqrt3}{2}\times\dfrac{\sqrt3}{2}+\dfrac12\times\dfrac12=\dfrac34+\dfrac14$. [1.0 Mark]
$=1$. [1.0 Mark]
Correct Answer:
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