Practice questions

88551 published questions with worked solutions.

• The value of 70^ - 20^ 50^ is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If m ( -30^ )=n ( +120^ ), then 2 equals
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of ^2(A-B)+ ^2B-2 (A-B) A B is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If A=2 B+ B, then 2 (A-B) is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• 9^ + 9^ 9^ - 9^ is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• ( - )+ ( - )+ ( - ) is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If (x+3 )=3 ( -x), then
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If ^3x 3x= _ m=0 ^ n C_m mx is an identity in x, where C_0,C_1, ,C_n are constants and C_n 0, then the value of n equals
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 70^ +4 70^ is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 10^ + 20^ + 30^ + + 360^ is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If x=3 y, then 2 y-x 2 is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If A+ B=a and B+ A=b, then (A+B) is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If A=35^ , B=15^ and C=40^ , then A B+ B C+ C A is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If = 8 17 and lies in the first quadrant, then the value of (30^ + )+ (45^ - )+ (120^ - ) is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If , , (0, 2 ), then the value of ( + + ) + + is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If + ( + 3 )+ ( + 2 3 )=3, then which of the following is equal to 1?
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• Let , be such that < - <3 . If + =- 21 65 and + =- 27 65 , then the value of - 2 is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If + + =2 , then + ( - )+ ( - )+ ( - ) is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If (x+y) (x-y) = a+b a-b , then x y is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If A+C=2B, then C- A A- C is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities