For what value of x is −12x equal to 3?
-1
1
0
None of these
Given,
−12x=3 ⇒−123=x ⇒x=−4
The value of tan 1° tan 2° tan 3° ...... tan 89° is(a) 1(b) −1(c) 0(d) None of these
If z is a complex number ¯¯¯¯¯¯¯¯z−1(¯z) = , then