Tuesday
May 21, 2013

# Homework Help: Pre-Cal

Posted by Jack on Wednesday, December 23, 2009 at 1:55am.

Find the exact value of sec 60°tan135°-cot60°sin60°

• Pre-Cal - drwls, Wednesday, December 23, 2009 at 2:21am

That can be calculated without a 'calculator' or trig tables.
sec 60 = 1/cos 60 = 1/(1/2) = 2
tan 135 = -tan 45 = -1
cot 60 = tan 30 = 1/sqrt3
sin 60 = (sqrt3)/2
Do the calculation.

Related Questions

Trig - Find the exact value of: sin60-cos60. do I just type sin60-cos60 in my ...
Pre-cal - 1) Find two values of Q that satisfy the equation. Give your answer ...
pre cal - find the exact value of tan(2sin-1 3/5)
Pre cal - how would you find the exact value of this expression?? 2sin15°cos...
math: pre calculus - How do I find the exact value of sec(2.4)?
Pre-Cal: Trig - The point (7,2) determines a position angle "t". Find ...
Pre-Cal: Trig - The point (7,2) determines a poistion angle "t". Find ...
Pre cal - Find the exact value of Sin ( sin-1. 9/41 - cos-1 (-5/13)
Pre-Cal - Find the exact sine value of the angle in standard position whose ...
Pre Cal - Find the exact value of the cosine and the cosecant of thetha, if ...