Trigonometric Ratio and Identities questions
856 published questions with worked solutions.
- ^6 9 -33 ^4 9 +27 ^2 9 =
- If n is an odd positive integer, then ( A+ B A- B )^n+ ( A+ B A- B )^n=
- If y= 3 , n , then
- If x+ ^2x=1, then the value of ^ 12 x+3 ^ 10 x+3 ^8x+ ^6x+2 ^4x+ ^2x-2 is equal to
- The value of cosec ^2 7 + cosec ^2 2 7 + cosec ^2 3 7 is
- If y= x 3x , then
- If a ^2x+b ^2x=c, b ^2y+a ^2y=d and a x=b y, then a^2 b^2 is equal to
- If ( + )=1, ( - )=1/2; , [0, /2], then ( +2 ) (2 + ) is equal to
- The value of x y (x-y)+ y z (y-z)+ z x (z-x)+ (x-y) (y-z) (z-x) is
- If x +y =2a, x +y =2a and 2 2 2 =1, then
- The value of _ k=1 ^ 3 ^2 (2k-1) 12 is
- If + = 2 , then - is equal to
- The value of 15 32 7 16 3 8 is
- If A+B+C= (A,B,C>0) and the angle C is obtuse, then
- The value of 14 3 14 5 14 is
- The value of 12^ 24^ 36^ 48^ 72^ 84^ is
- If 2 A 2 = 1+ A + 1- A , then A 2 lies between
- The value of ^276^ + ^216^ - 76^ 16^ is
- In a triangle ABC, A+ B+ C= 32. Then the triangle is
- If in a triangle ABC, A B+ A B C=1, then the triangle is
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