Home
Class 12
MATHS
Using the method of differentiation dedu...

Using the method of differentiation deduce the formula of cos2x starting the formula of tan2x.

Text Solution

Verified by Experts

The correct Answer is:
`cos^(2)x-sin^(2)x`
Promotional Banner

Similar Questions

Explore conceptually related problems

Using the method of differentiation deduce the formula of : sin2x starting from the formula of cot2x .

Using the method of differentiation deduce the formula of : cos(x+a) starting from the formula of sin(x+alpha)

Using the method of differentiation deduce the formula of : sin(x+alpha) starting from the formula of cos(x+alpha)

differentiate y=cos x+sin2x

Using the formula of differentiation of product functions show that (d)/(dx)(x^(n))=nx^(n-1) , where n is a positive integer.

From the formula of sin (A + B), deduce the formulae of cos(A + B) and cos (A-B).

Differentiate the function with respect to x using the first principle : cos^2x

Using differentiation method check how many roots of the equation x^3-x^2+x-2=0 are real?

Differentiate between Rydberg formula & Balmerr formula.

Using the formula of torque tau =xF_(y)-yF_(x), derive the polar formula of torque.