Trigonometric Ratio and Identities questions
856 published questions with worked solutions.
- Let 0 a,b,c,d , where b and c are not complementary, such that 2 a+6 b+7 c+9 d=0 and 2 a-6 b+7 c-9 d=0. Then the value of 3 (a+d)...
- The value of cosec ,10^ + cosec ,50^ - cosec ,70^ is ____.
- If 4x=a_0+a_1 ^2x+a_2 ^4x is true for all values of x R, then the value of 5a_0+a_1+a_2 is ____.
- Suppose , , and are the interior angles of a regular pentagon, hexagon, decagon and dodecagon respectively. Then the value of | ,...
- The maximum value of ^2A+ ^2B- ^2C is
- The value of - -2 2 -4 4 -8 8 is
- If a_ n+1 = 12(1+a_n) , then ( 1-a_0^2 a_1a_2a_3 to )=
- The value of 10^ - 10^ is
- If < <2 , then 1+ 1- is equal to
- The angle whose cosine equals its tangent is given by
- The expression ^2 + ^2 is
- The value of 7 2 7 3 7 is
- The value of 15 2 15 3 15 4 15 5 15 6 15 7 15 is
- If x= 2b a-c , a c, and y=a ^2x+2b x x+c ^2x, z=a ^2x-2b x x+c ^2x, then
- If B= 15 (2A+B), then (A+B) A is equal to
- The value of 7 2 7 3 7 is
- If A+ B=m and A+ B=n, where m,n 0, then (A+B) is equal to
- The value of 14 3 14 5 14 7 14 9 14 11 14 13 14 is
- For x R, x+ 12 x 2 + 1 2^2 x 2^2 + + 1 2^ n-1 ( x 2^ n-1 ) is equal to
- If A= 336 625 , where 450^ <A<540^ , then A 4 =
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