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What is the value of (\tan^{-1}x+\cot^{-1}x)?(\tan^{-1}x+\cot^{-1}x) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{\pi}{2})(\frac{\pi}{2})
The identity (\tan^{-1}x+\cot^{-1}x=\frac{\pi}{2}) is used for all real (x). This is a very useful introductory identity.(\tan^{-1}x+\cot^{-1}x=\frac{\pi}{2}) सभी वास्तविक (x) के लिए लिया जाता है। यह बहुत उपयोगी प्रारंभिक पहचान है।
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