What is the value of ∫ cos x dx?
∫ cos x dx का मान क्या है?
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Correct Answer
A. sin x + C
ExplanationStep 1: Identify the concept: this is a standard integral. Step 2: Since derivative of sin x is cos x the integral of cos x is sin x + C. Step 3: Think of integral as reverse derivative.
Step 1: concept पहचानें: यह standard integral है। Step 2: sin x का derivative cos x होता है इसलिए ∫cos x dx = sin x + C। Step 3: Integral को reverse derivative की तरह सोचें।