Easy Math Class 11 Level 3

What is the value of sin²30° + cos²60°?

sin²30° + cos²60° का मान क्या है?

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Correct Answer

B. 1/2 / 1/2

Explanation

Step 1: Standard values are sin30° = 1/2 and cos60° = 1/2. Step 2: Adding squares gives 1/4 + 1/4 = 1/2. Step 3: The table of standard angles is very useful in exams.

Step 1: Standard values sin30° = 1/2 और cos60° = 1/2 हैं। Step 2: squares जोड़ने पर 1/4 + 1/4 = 1/2। Step 3: Standard angles की table exam में बहुत काम आती है।

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