Trigonometric Ratio and Identities questions
856 published questions with worked solutions.
- The expression 10 13 + 8 13 + 3 13 + 5 13 is equal to
- The value of 36^ 72^ 108^ 144^ is
- If S_n= ^n + ^n , then the value of 3S_4-2S_6 is given by
- ^25^ + ^210^ + ^215^ + + ^290^ is equal to
- 25^ + 20^ + 25^ 20^ is equal to
- If x =y ( + 2 3 )=z ( + 4 3 ), then the value of 1x+ 1y+ 1z is equal to
- If + =k, then equals
- If x =y = 2z 1- ^2 , then 4z^2(x^2+y^2) is equal to
- (1+ 8 ) (1+ 3 8 ) (1+ 5 8 ) (1+ 7 8 ) is equal to
- If a= 18 rad, then a+ 2a+ + 18a is equal to
- If = b a , a>b>0 and 0< < 4 , then a+b a-b - a-b a+b is equal to
- The value of 480^ 150^ + 600^ 390^ is equal to
- In ABC, if ^2A+ ^2B+ ^2C=2, then the triangle is
- The expression 9^ - 27^ - 63^ + 81^ is equal to
- Let n be an odd integer. If n = _ r=0 ^ n b_r ^r for every value of , then
- The value of 67 12^ + 67 12^ is
- If x+ x= 15, 0<x< , then 2x is
- ^2 = 4xy (x+y)^2 is true if and only if
- The value of the expression ^6 + ^6 +3 ^2 ^2 equals
- ABC is a right angled isosceles triangle with B=90^ . If D is a point on AB so that DCB=15^ and AD=35 cm, then CD is equal to
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