JEE Question  >  Differentiatewith respect to x.a)-1b)c)π/4... Save

Related Test

Differentiate   with respect to x. 
  • a)
    -1
  • b)
  • c)
    π/4 − x
  • d)
    1
Correct answer is option 'A'. Can you explain this answer?

Answers

(cosx − sinx)/(cosx + sinx) = (1 − tanx)/(1 + tanx)
tan(A − B) = (tanA − tanB)/(1 + tanAtanB)
= tan(π/4−x)
putting this value in question.
tan−1 tan(π/4−x)
π/4 − x.
so d(π/4 − x)/dx = -1

View courses related to this question
Explore JEE courses
Explore JEE courses
View courses related to this question
1 Crore+ students have signed up on EduRev. Have you?

Similar JEE Doubts

  • Not differentiable then S 2019 won is an empty set to equals minus 2 minus ... more

Question Description
Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer? for JEE 2023 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2023 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer?.
Solutions for Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
Here you can find the meaning of Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer?, a detailed solution for Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Differentiatewith respect to x.a)-1b)c)π/4 − xd)1Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice JEE tests.
(cosx − sinx)/(cosx + sinx) = (1 − tanx)/(1 + tanx)tan(A − B) = (tanA − tanB)/(1 + tanAtanB)= tan(π/4−x)putting this value in question.tan−1 tan(π/4−x)π/4 − x.so d(π/4 − x)/dx = -1