Respond to this Question
Similar Questions

trig
Solve without using a calculator or tables cos(5pi/6 + pi/4) Thank you Reiny!:) 
Trig
How do you express sin4x as a trigonometric funcition of x using the identities? 
trig
evaluate the following without using a calculator and please explain how cos(arctan 3) 
Math
Hi,I need to know how to do question like this without using a calculator. Can anyone help please. Which of the following is closest to square root of 4000 A)40 B) 60 C) 200 D) 2000 I know the answer is B , but I did it on the calculator. … 
trig
Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ 
trig
Solving Trig Functions: How Do You Solve For Sin 7.5 Using HalfAngle and DoubleAngle Identities? 
trig
How do you decide if csc=74 is greater than or less than cos=74 without using a calculator? 
trig
Find the exact value. Without using a calculator a) cos (17pi/6) b) sec (3pi/2) 
pre calc
how do u solve for x and y of x+2y=7 2x+y=8 using matrix without using a calculator 
Math
Given: sin37 = 6/10 use identities and calculate the following without using a calculator