Use app×
Ask a Question
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE

d/dx (cos^2 3x) =

← Prev Question Next Question →
0 votes
71 views
in Mathematics by (54.8k points)
closed by

\(\frac d{dx} (cos^23x) = \)

(A) 2cos3x

(B) 3sin6x

(C) -3sin6x

(D) 2sin6x

Play Quiz Game >

1 Answer

+1 vote
by (57.0k points)
selected by
 
Best answer

Correct option is (C) -3sin6x

\(\frac d{dx} (cos^23x) \)

\(= 2cos3x \frac d{dx} cos 3x\)

\(= -6cos 3x \, sin 3x\)

\(= -3sin 6x\)

← Prev Question Next Question →

Find MCQs & Mock Test

  1. JEE Main 2025 Test Series
  2. NEET Test Series
  3. Class 12 Chapterwise MCQ Test
  4. Class 11 Chapterwise Practice Test
  5. Class 10 Chapterwise MCQ Test
  6. Class 9 Chapterwise MCQ Test
  7. Class 8 Chapterwise MCQ Test
  8. Class 7 Chapterwise MCQ Test

No related questions found

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

User Contribution to Sarthaks eConnect
Managed by Sarthaks Digitizing India
...