evaluate without using a calculator lg(1/10)

I need some help on this Calculus question about polar coordinates. Consider a pasture bordering...

Evaluate without using a calculator or tables sin(pi/3 - 3pi/4) The answer is - 1+ square root...

i tried doing this on my calculator but i keep getting the wrong answer..can someone try it on their...

evaluate exactly(without calculator): 1. sec(pi/4) 2.3sin4pi 3. tan240(degrees)

evaluate without using a calculator, leaving your answer as surds (a)sin105 degrees (b)tan15 degre...

evaluate without using a calculator 216 2/3

evaluate without using a calculator [log(5)4 x log(2)10 ]/ [log(25)√10]

Can you help me please? Calculate the pH of the solution that is 0.05 M in NaHC2O4

evaluate without using a calculator or mathematical tables:log32+log128-log729/log32+log2+log27

Evaluate without using a calculator or math table:log(3x+8)-3log2=log(x-4)

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