Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. NDA
  4. /
  5. Mathematics
  6. /
  7. 2013/2014
  8. /
  9. Q20
Question 20

If Sin y = x sin(a+y), then dy/dx =

  • A.sin2([a+y]/[sina])
  • B.sin(a+y)
  • C.sin2(a+y)
  • D.sin([a+y]/[sina])
Objective

Question details

Exam body
NDA
Subject
Mathematics
Year
2013/2014
Question no.
#20
Type
Objective
Previous · Q19At x= 1, the function f(x) = 2(N-1); 0 ≤ X ≤1 (x-1)(x+1); l < X ≤ 2 is __. Next · Q21 Simplify ${1+cosƟ}/{1-cosƟ} × {secƟ-1}/{secƟ+1}$

More from this paper

  • Q16If T varies inversely proportional to P and directly to U. formulate the problem
  • Q17Find the equation of the tangent to the curve y =x 3 at the point (2, 8)
  • Q18Find the centre of the circle x 2 + y 2 -10x + 4y = 7
  • Q22Convert 78964 10 to base 2
  • Q23The fourth order derivative of f(x) = e -x Cos x is
  • Q24Which of the following is true about any rhombus?
See all Mathematics 2013/2014 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy