What is the value of tan^(-1)(1) + tan^(-1)(1)? (Level 9 practice)
tan^(-1)(1) + tan^(-1)(1) का मान क्या है? (लेवल 9 अभ्यास)
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Correct Answer
B. π / 2
ExplanationStep 1: Use the standard value of tan^(-1)(1). Step 2: tan^(-1)(1) = π/4, so the sum is π/4 + π/4 = π/2. Step 3: Remember tan 45° = 1.
Step 1: tan^(-1)(1) का standard value लगाएँ। Step 2: tan^(-1)(1) = π/4, इसलिए योग π/4 + π/4 = π/2। Step 3: tan 45° = 1 को हमेशा याद रखें।