Practice questions

88551 published questions with worked solutions.

• If (x-y)= (x+y)= 12, the values of x and y lying between 0^ and 90^ are given by
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If = and = , then
  JEE Main · Mathematics · Trigonometric Equations
  Not in JEE Main syllabus
• The value of 1^ + 2^ + + 89^ is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If A+B+C=0, then the value of (B+C-A) (C+A-B) is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If + + + ( - ) ( + )+1 ^ -1 =1, then is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of ^2 9 + ^2 2 9 + ^2 4 9 is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If + =0= + , then 2 + 2 =
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• = a^2+b^2 a^2-b^2 , where a,b R, gives real values of if and only if
  JEE Main · Mathematics · Trigonometric Equations
  Not in JEE Main syllabus
• 7 +6 5 +17 3 +12 6 +5 4 +12 2 is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If T_n= ^n + ^n , then 2T_6-3T_4+1=
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 2 7 + 4 7 + 8 7 is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 15 2 15 3 15 4 15 5 15 6 15 7 15 is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If A= 34, then 32 ( A 2 ) ( 5A 2 )=
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If a= 27 - and b= 3 + 3 9 + 9 27 , then
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If A lies in the third quadrant and 3 A-4=0, then 5 2A+3 A+4 A=
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• ^6 9 -33 ^4 9 +27 ^2 9 =
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If n is an odd positive integer, then ( A+ B A- B )^n+ ( A+ B A- B )^n=
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If y= 3 , n , then
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If x+ ^2x=1, then the value of ^ 12 x+3 ^ 10 x+3 ^8x+ ^6x+2 ^4x+ ^2x-2 is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of cosec ^2 7 + cosec ^2 2 7 + cosec ^2 3 7 is
  JEE Main · Mathematics · Trigonometric Ratio and Identities