Trigonometric Ratio and Identities questions
856 published questions with worked solutions.
- If an angle is divided into two parts such that the tangent of one part is k times the tangent of the other and is their...
- Let n be an odd integer. If n = _ r=0 ^ n b_r ^r for all real , then
- If ( - )=a and ( - )=b, then ^2( - )+2ab ( - ) is equal to
- Statement 1: If xy+yz+zx=1, then x 1+x^2 = 2 (1+x^2) . Statement 2: In a ABC, 2A+ 2B- 2C=4 A B C.
- A circular wire of diameter 10 cm is cut and placed along the circumference of a circle of diameter 1 m. The angle subtended by...
- If x = y ( - 2 3 ) = z ( + 2 3 ) , then x+y+z is equal to
- Statement 1: 36^ > 36^ . Statement 2: 36^ > 36^ .
- The value of 3 [ ^4 ( 3 2 - )+ ^4(3 + ) ]-2 [ ^6 ( 2 + )+ ^6(5 - ) ] is equal to
- If x+ y+ =0 and x+ y+ =0, then ( x+y 2 ) is equal to
- If x=r , y=r and z=r , then the value of x^2+y^2+z^2 is independent of
- 6^ 42^ 66^ 78^ is equal to
- The value of the expression 1- ^2y 1+ y + 1+ y y - y 1- y is equal to
- If = , then ^2 ( 2 ) is equal to
- The greatest and least values of x x are respectively
- Statement 1: _ r=1 ^ n (1+ 2^r )= 2^n . Statement 2: _ r=1 ^ n (2^ r-1 )= (2^n ) 2^n .
- If 2 < < , < < 3 2 , = 15 17 and = 12 5 , then the value of ( - ) is
- If =22^ 30', then (1+ )(1+ 3 )(1+ 5 )(1+ 7 ) equals
- Statement 1: ^3 + ^3 ( + 2 3 )+ ^3 ( + 4 3 )=3 ( + 2 3 ) ( + 4 3 ). Statement 2: If a+b+c=0, then a^3+b^3+c^3=3abc.
- If - x , - y and x+ y=2, then the value of (x-y) is
- If + 2 + 3 2 = 3, then
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