Find the value of:
`2/3+ 1/7- 1 1/7 - 11/7`

Find the value of the (-1)^(7)

Find the value of 5 1/7-{3 3/10+(2 4/5-7/10)}

If tan theta=3/4 then find the value of cot theta 1. 4/3 2. 3/7 3. 4/7 4. 7/4

Find the value of sin 7 ""(1)/(2) ""^(@)

Find the value of cos 7 ""(1)/(2) ""^(@)

Find the value of (x+7)/2-(x+1)/3=(x+1)/2

Find the value of sin37(1/2)^(@).sin7 (1/2)^(@)

If alpha\ a n d\ beta are the roots of 4x^2+3x+7=0 then the value of 1/alpha+1/beta is a) 4/7 b) -3/7 c) 3/7 d) -3/4

Find the value of theta if |[1,1,sin 3theta] , [-4,3,cos 2theta] , [7, -7, -2]|=0

Find the value of log_(2) (1/(7^(log_(7) 0.125))) .