evaluate cos150 degrees

evaluate cos150 degrees
1. 7 answers
2. asked by slayrat
3. 123 views
FInd the exact values of cos150 and sin150cos = -√3/2, sin = 1/2 cos -1/2, sin √3/2 cos 1/2, sin = 1/2
1. 3 answers
2. asked by kiki
3. 132 views
evaluate without using a calculator, leaving your answer as surds(a)sin105 degrees (b)tan15 degrees (c)cos 75 degrees
1. 2 answers
2. asked by ceasar
3. 1,918 views
1) Identify the initial amount and the growth rate of the following1a)y=250(1+0.2)^t 2b) y=9.8(1.35)^t 2) Use special right
1. 1 answer
2. asked by nemo
3. 923 views
Evaluate (sin45 degrees)(cos30 degrees) / sec45 degreesa)5 b)7/3 c)1/2 d)7/2 My best guess is 1/2 but I'm not sure if I did the
1. 0 answers
2. asked by raven31791
3. 527 views
The average monthly temperatures of Atlanta, GA are shown below.Jan 32 degrees Feb 35 degrees Mar 44 degrees Apr 53 degrees May
1. 1 answer
2. asked by Lucy
3. 1,833 views
Could these be the measures of 3 angles of a triangle?Responses A 10 degrees, 60 degrees, 100 degrees10 degrees, 60 degrees, 100
1. 1 answer
2. 230 views
1) Use the cofunction identites to evaluate the expression without the aid of a calculator.cos^2 18 degrees + cos^2 72 degrees.
1. 1 answer
2. asked by Abby
3. 617 views
Evaluate tan^2 60 degrees +sin^2 45 degrees without using your calculator.a)5 b)7/3 c)1/2 d)7/2 Please help. Draw the 30-60 and
1. 0 answers
2. asked by raven31791
3. 569 views
Trying to understand an inverse trig function.Evaluate Cos^-1 (sqr3/2) So I know it's 30 degrees, but wouldn't it also be 150
1. 1 answer
2. asked by Bobby
3. 441 views