`T h e v a l u e o f|-cotpi/32+tanpi/32+2tanpi/16+4tanpi/8|=(A)4(B)8(C)16`

The value of (cot(pi)/(32))-tan(pi)/(32)-2tan(pi)/(16)-4tan(pi)/(8) is

Select and write the correct answer from the given alternatives in each of the following: The numerical value of tanpi/3+2tan2pi/3+4tan4pi/3+8tan8pi/3 =

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

At a given place two rain drops of volumes V and 8V are falling down with terminal velocities.Their terminal velocities are in the ratio (A) 1:4 (B) 1:8 (C) 1:16 (D) 1:32

Prove that tanpi/(16)=sqrt(4+2sqrt(2))-(sqrt(2)+1)

Prove that tanpi/(16)=sqrt(4+2sqrt(2))-(sqrt(2)+1)

If the circle x^2+y^2+2ax+8y+16=0 touch x-axis , then, t h e value o f 'a' is (a) +-16 (b) +-4 (c) +-8 (d) +-1

What can be the maximum number of electrons that can haveS=-(1)/(2)" in "n=4? (A) "4 (B) "8 (C) "16 (D) "32

A square is inscribed in a circle whose radius is 4cm. The area of the portion between the circle and the square is: (8 pi-16) (b) (8 pi-32)(c)(16 pi-16) (d) (16 pi-32)

A differentiable function f(x) is defined for all x gt 0 and satisfies f(x^(3))=4x^(4) for all x gt 0 . The valuue of f'(8) is : a) 16/3 b) 32/3 c) (16sqrt(2))/3 d) (32sqrt(2))/3