Home
Class 12
MATHS
cos3theta + cos2theta = sin ((3theta)/2)...

`cos3theta + cos2theta = sin ((3theta)/2)+ sin (theta/2), 0 le theta le 2pi`

Text Solution

Verified by Experts

`pi/2, (5pi)/7, pi, (9pi)/7, (13pi)/7`
Promotional Banner

Topper's Solved these Questions

  • GENERAL SOLUTIONS OF TRIGNOMETRIC EQUATIONS

    CHHAYA PUBLICATION|Exercise Long Answer type questions|29 Videos

  • GENERAL SOLUTIONS OF TRIGNOMETRIC EQUATIONS

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams|5 Videos

  • GENERAL SOLUTIONS OF TRIGNOMETRIC EQUATIONS

    CHHAYA PUBLICATION|Exercise Very Short Answer Type Questions|18 Videos

  • ELLIPSE

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (D comprehension Type)|7 Videos

  • IDENFINITE INTEGRAL

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Examination (Comprehension Type )|6 Videos

Similar Questions

Explore conceptually related problems

sin2theta - cos2theta =1

sin theta + sin 5 theta = sin 3theta (0 le theta le 2pi)

sin theta -2 = cos2theta when 0 le theta le 2pi

If u = (1 + cos theta) (1+ cos2 theta) - sin theta sin 2theta, v = sin theta (1 + cos2 theta) + sin 2 theta(1 + cos theta), "show that" u^(2) + v^(2) = 4(1 + cos theta) (1 + cos 2theta).

The normal to the curve x= 3 cos theta - cos^(3) theta , y=3 sin theta - sin^(3) theta at theta = (pi)/(4) -

Solve : cos theta cos 2 theta cos 3 theta =(1)/(4) (0 le theta le pi)

The solution set of (5+4 cos theta) (2 cos theta+1) =0 in the interval 0 le theta le pi is-

sin 2theta = cos 3theta (0 lt theta lt pi)

cos^(3)theta sin 3theta + sin^(3)theta cos3theta=3/4

Solve : 2 cos^(2)theta + sin theta le 2 , where pi/2 le theta le (3pi)/2.