Home
Class 11
MATHS
If tan alpha, tan beta are the roots of ...

If `tan alpha, tan beta` are the roots of the equation `x^(2)+px+q=0` then `sin^(2) (alpha+ beta)+ p sin(alpha+ beta) (cos+beta) +q cos^(2)(alpha+ beta)=`

A

0

B

1

C

p

D

q

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise MULTIPLE & SUB MULTIPLE ANGLES|20 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise TRANSFORMATIONS AND IDENTITIES|14 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise PROPERTIES OF TRIANGLES|57 Videos
  • REAL FUNCTIONS

    AAKASH SERIES|Exercise EXERCISE-1|34 Videos
  • STRAIGHT LINES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II (ADVANCED) PRACTICE SHEET (ADDVANCED)) (Comprehension Type Questions)|6 Videos

Similar Questions

Explore conceptually related problems

If tan alpha , tan beta are the roots of the equation x^(2) + px+q=0(p ne 0) then

If tan alpha and tan beta are the roots of the equation x^(2) +px + q = 0 , then the value of sin^(2) (alpha +beta) + p cos (alpha + beta) sin (alpha + beta) + q cos^(2) (alpha + beta) is

If tan((alpha)/(2)) and tan (( beta)/(2)) are the roots of the equation 8x^(2)-26x+15=0 then cos (alpha+ beta)=

2 sin^(2) beta + 4 cos( alpha+ beta) sin alpha sin beta + cos ( 2 alpha + 2 beta )=

If cos alpha + cos beta =0 = sin alpha + sin beta " then " cos (alpha - beta )=

If sin alpha + sin beta = a , cos alpha + cos beta = b " then cos ( alpha + beta ) =

IF alpha , beta are the roots of x^2 - ax +b=0 , then the whose roots are (alpha + beta ) /( alpha ) , (alpha + beta)/( beta) is