SOLUTION: cos(-270degrees) *find the exact value (not decimal using calculator)

Algebra.Com
Question 1116962: cos(-270degrees)
*find the exact value (not decimal using calculator)

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
cos(-270degrees)
*find the exact value (not decimal using calculator)
cos(-270) = 0
--------
Cheers,
Stan H.
--------

RELATED QUESTIONS

Without using a calculator, find the exact value as fraction (not a decimal... (answered by stanbon)
find the exact value of the expression. do not use a calculator sin(-4pi) + cos... (answered by lwsshak3)
Without using a calculator find exact value of cos (1950o). Without using a calculator (answered by Edwin McCravy)
find the exact value of cos 105 degrees WITHOUT USING TABLES OR A CALCULATOR. be sure to... (answered by venugopalramana)
find the exact value without using a calculator: A- Cos(2pie/3) B- Tan5pie/4 C-... (answered by stanbon)
What's the Exact Value for cos 7π/3 ? Without using a... (answered by Alan3354)
Find the exact value of the expression. Do not use a calculator. Cos^-1[cos(-5pi/4)].... (answered by stanbon)
find the exact value of cos 105degrees. without the table or... (answered by stanbon)
Find the exact value of: cos(pi/3)-sin(pi/3)without a... (answered by stanbon)