Trigonometric Ratio and Identities questions
856 published questions with worked solutions.
- If x+ y= 34 and x+ y=- 14, then evaluate (x+y).
- For a positive integer n, f_n(x)= ( x 2 )(1+ x)(1+ 2x)(1+ 4x) (1+ 2^nx). Evaluate f_2 ( 16 )+f_3 ( 32 )+f_4 ( 64 ).
- Evaluate | 2 7 4 7 + 4 7 8 7 + 8 7 2 7 |.
- If x+y+z= , x z=3 and z y=15, find ^2z.
- Evaluate 8 36^ 72^ 108^ 144^ .
- If 30( ^2x- ^2x)+7 2x+20=0, then evaluate 2 2x-1.
- Evaluate ^25^ + ^210^ + ^215^ + + ^285^ + ^290^ .
- If 2 1- - = 45, then evaluate 1- + -1 .
- Given that 4 x y=1 and ^2x+ ^2y 32, evaluate ^2x+ ^2y.
- If (7 12^ )= ab + a+ b+a, where a,b are positive integers, then find b a .
- Evaluate ^288^ + ^228^ - 88^ 28^ .
- Let < < 3 2 . Evaluate the expression 4 ^4 + ^22 +4 ^2 ( 4 - 2 ).
- The value of 15^ 7 12^ 7 12^ is
- If is an acute angle and 2 = x-1 2x , then is equal to
- If ^2 = x^2+y^2+1 2x , then x must be
- ABC is right angled at C, then A+ B is equal to
- If A=130^ and x= A+ A, then
- If and satisfy 2 2 = + , then a possible value of + is
- If =m and =n, then 1m [(m+n)+ 1 m+n ] is
- The expression 2 13 9 13 + 3 13 + 5 13 is equal to
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