Find sin θ, cos θ, and tan θ if θ is the angle between the x–axis and the ray , where O is the origin and the point P is located on the unit circle.
In the given figure, find the exact coordinates of the intersection of the unit circle and the terminal side of the angle.
Evaluate the values of the six trigonometric functions for some number s, where s is the distance (in radians) between the points A (1, 0) and P (12/13, –5/13) along the unit circle x2 + y2 = 1
Evaluate the values of the six trigonometric functions for some number s, where s is the distance (in radians) between the points A (1, 0) and
along the unit circle x2 + y2 = 1.
Sketch an angle of –45 in standard position. Then find the exact values of the cosine and the sine of –45 using a right triangle.
Find an angle that is coterminal with a 405 angle and which lies between 0 and 360 .
Find an angle that is coterminal with a –234 angle and which lies between 0 and 360 .
Find a negative and positive angle that is coterminal with the 75 angle.
Evaluate the values of the six trigonometric functions for 4π/3.
Find the value of x where
Check whether the identity cos2 x + sin2 x = 1 is true for x = 6π/5.
Check whether the identity cos2 x + sin2 x = 1 is true for x = 0.4.
Plot the graph of the function f in the interval –4 x 4 and state whether the function f is odd or even in that interval. The function has a period p = 2.
Find out whether the function f(x) = x3 + 2x is even, odd, or neither the both.
Find out whether the function f(x) = 3x sin x + 4 is even, odd, or neither the both.
For the given function, find the period and the amplitude.
Find the period, the maximum, and the minimum for the given function.
Find sin θ, cos θ, and tan θ if θis the angle between the x–axis and the ray , where O is the origin and the point P is located on the unit circle.
Find an angle that is coterminal with a 405 angle and which lies between 0 and 360.
Find an angle that is coterminal with a –234 angle and which lies between 0 and 360.
