Find the value
Find sin(30)
1/2
How do you convert radians to degrees?
Multiply the radian by 180 over π(pi)
What's the formula for sin(a+b)
sin(a)cos(a)+cos(a)sin(b)
Find sin(15)
(√6-√2)/4
How do you convert degrees to radians?
Multiply the degrees by π(pi) over 180 then simplify
What's the formula for cos(a-b)
cos(a)cos(b)+sin(a)sin(b)
Find cos(195)
(-√6-√2)/2
Is sin60 the same as sin30+sin30?
No sin60 is √ 3/2 and sin30+sin30 is 1
What's the formula for cos(a+b)
cos(a)cos(b)-sin(a)sin(b)
Find tan(75)
2+√3
Evaluate cos(2π/3)cos(7π/6)-sin(2π/3)sin(7π/6)
√3/2
What's the formula for sin(a-b)
sin(a)cos(b)-cos(a)sin(b)
Find tan(-195)
-2+√3
How do you spell Mrs.K's last name?
Korszen
What's the formula for tan(a+b)
(tan(a)+tan(b))/1-tan(a)tan(b)