Trigonometric Ratio and Identities questions
856 published questions with worked solutions.
- 65^ + 43^ - 29^ - 7^ is equal to
- If x= b a , then a+b a-b + a-b a+b =
- ^23A ^2A - ^23A ^2A =
- If y= ^2 + ^2 , where - 2 < < 2 and 0, then
- If (A+B)=p and (A-B)=q, then the value of 2A is
- _ r=1 ^ n-1 ^2 r n is equal to
- If 2 A 2 = 1+ A + 1- A , then A 2 lies between (n Z)
- If (x-y)= (x+y)= 12, the values of x and y lying between 0^ and 90^ are given by
- The value of 1^ + 2^ + + 89^ is
- If A+B+C=0, then the value of (B+C-A) (C+A-B) is equal to
- If + + + ( - ) ( + )+1 ^ -1 =1, then is equal to
- The value of ^2 9 + ^2 2 9 + ^2 4 9 is
- If + =0= + , then 2 + 2 =
- 7 +6 5 +17 3 +12 6 +5 4 +12 2 is equal to
- If T_n= ^n + ^n , then 2T_6-3T_4+1=
- The value of 2 7 + 4 7 + 8 7 is
- The value of 15 2 15 3 15 4 15 5 15 6 15 7 15 is
- If A= 34, then 32 ( A 2 ) ( 5A 2 )=
- If a= 27 - and b= 3 + 3 9 + 9 27 , then
- If A lies in the third quadrant and 3 A-4=0, then 5 2A+3 A+4 A=
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