The value of `2tanpi/(10)+3secpi/(10)-\ 4cospi/(10)` is `0` b. `1` c. `sqrt(5)` d. none of these

The value of 2(tan pi)/(10)+3(sec pi)/(10)-4(cos pi)/(10) is 0 b.1 c.sqrt(5)d .none of these

The value of the expression (1-4sin 10^0 sin 70^0)/(2sin 10^0 ) is- a.1/2 b. 1 c.2 d. none of these

The set of all x in ((-pi)/2,pi/2) satisfying |4sinx-1|

Find the value of (1)/(sqrt(10)) where sqrt(10)=3.5

The set of all x in (−π/2,π/2) satisfying ∣4sinx−1∣< sqrt(5) ​ is given by (a)(-pi/(10),(3pi)/(10)) (b) (pi/(10),(3pi)/(10)) (c)(-pi/(2),(3pi)/(10)) (d) none of these

The distance of point (-1,-5,-10) from the plane 10x+2y-z=0 measured parallel to the line (x)/(3)=(y-1)/(4)=(z+1)/(12) is: 10sqrt(2)(B)5(C)11 (D) none of these

The distance of point (-1, -5, -10) from the plane 10 x+2y-z=0 measured parallel to the line x/3=(y-1)/4=(z+1)/(12) is: (A) 10sqrt(2) (B) 5 (C) 11 (D) none of these

Prove that: cospi/10-sinpi/10=sqrt(2)sin(3pi)/(20)

If log_(10)2=0.3010 and log_(10)7=0.8451 , then the value of log_(10) 2.8 is a. 0. 4471 b. 1. 4471 c. 2. 4471 d. none of these

Find the value of following expression: [(1-cospi/(10)+isinpi/(10))/(1-cospi/(10)-isinpi/(10))]^(10)