Derivative of sin3x, cos3x, tan3x

Find the intervals in which f(x)=sin3x-cos3x, is strictly increasing or decreasing.

A fun trig equation | cosx+cos3x=sinx+sin3x

AOD - I - [Delhi] Increasing Decreasing Functions- f(x) = sin 3x - cos 3x is strictly inc/dec.

How to solve cos(3x)=sin(2x)

Best Solution Compound Angle Trigonometric Identity with sin3x and cos3x equals 2

sin(3x) & cos(3x), using De Moivre's theorem

How to remember sin 3x and cos 3x formula

PUC I Year - Trigonometric Functions - sin3x, cos3x and tan3x formula derivation

cos 3x + cos 2x = sin 3x/2 + sin x/2 , solve @EAG

Proof of sin3x, cos3x, tan3x formula | trigonometry class 11 | by epselon

(sin3x/cosx)+(cos3x/sinx) = 2cot2x, iGCSE, A Level Maths, High School Trig Function M

Find the general solution of the equation `sinx-3sin2x+sin3x=cosx-3cos2x+cos3x`. ||

cos(3x) in terms of cos(x)

THE INTEGRAL OF SIN3X COS5X

Proof of three trigonometric identities 🔥 sin 3x, cos 3x and tan 3x 🔥 by #mathemafia

Prove (cos 4x + cos 3x + cos 2x)/ (sin 4x + sin 3x + sin 2x) = cot 3x

(sin3x divided by cosx)+(cos3x divided by sinx)= 2cot2x, iGCSE, A Level Maths, High S

Integral of sin^3(x)cos^3(x) (trigonometric identity + substitution)

Find the intervals in which f(x) = sin 3x-cos 3x, 0 less than x less than pi, is strictly increasing