Question

Evaluate log sin 90° to the base 9

Answer 1

We know that sin(90°) =1.
The above logarithmic equation justs asks us 9 raised to what power is 1.
We know that 9 raised to the 0 is 1.
So,
$log_{9}( \sin(90degrees) ) = 0$

Answer 2

google it you will get the answer