Trigonometric Ratio and Identities questions
856 published questions with worked solutions.
- Let = _ x R 8^ 2 3x .4^ 4 3x and = _ x R 8^ 2 3x .4^ 4 3x . If 8x^2+bx+c=0 is a quadratic equation whose roots are ^ 1/5 and ^...
- Two poles, AB of length a metres and CD of length a + b (b ) metres are erected at the same horizontal level with bases at B and...
- cosec18° is a root of the equation :
- A vertical pole fixed to the horizontal ground is divided in the ratio 3 : 7 by a mark on it with lower part shorter than the...
- If 0 < x, y < and cosx + cosy – cos(x+y) = 3 2 , then sinx + cosy is equal to :
- The value of 24 is :
- If _ r=1 ^ 50 ^ -1 1 2r^2 =p, then the value of tan p is :
- The value of 2 ( 8 ) ( 2 8 ) ( 3 8 ) ( 5 8 ) ( 6 8 ) ( 7 8 ) is :
- A 10 inches long pencil AB with mid point C and a small eraser P are placed on the horizontal top of a table such that PC = 5...
- The graph of the function x (x+2)- ^2(x+1) is
- 2 ( /22) (3 /22) (5 /22) (7 /22) (9 /22) is equal to
- A tower PQ stands on a horizontal ground with base Q on the ground. The point R divides the tower in two parts such that QR = 15...
- The value of 2 sin(12°) − sin(72°) is-
- 16 sin(20°) sin(40°) sin(80°) is equal to :
- If ^ 2 (10^ ) (20^ ) (40^ ) (50^ ) (70^ ) = − (1/16)sin(10°), then 16 + ^ -1 is equal to _____.
- The value of 9°- 27°- 63°+ 81° is __________.
- The value of ( _ n=1 ^ 23 ^ -1 (1 + _ k=1 ^ n 2k ) ) is
- Match List I with List II and select the correct answer using the code given below the lists : List I P. ( 1 y^2 ( ( ^ -1 y) + y...
- The value of _ k=1 ^ 13 1 ( 4 + (k-1) 6 ) ( 4 + k 6 ) is equal to
- Let and be nonzero real numbers such that 2( - )+ =1. Then which of the following is/are true?
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