Trigonometric Functions of Any Angle - Page 2
Questions
- Solve the equation cos θ + 4 cos 2θ = 3, giving all solutions in the interval 0◦ ≤ θ ≤ 180◦ how do we solve it ? .
- Given #csctheta^circ=sqrt3/2# and #sectheta^circ=sqrt3/3#, how do you find #sintheta#?
- How do you evaluate sine, cosine, tangent of #300^circ# without using a calculator?
- How do you find the value of #cot 300^@#?
- How do you find the exact value of #12(sin150)(cos150)#?
- How do you evaluate #cot300°#?
- Find the exact value of the trigonometric function given that sin u = − 3/5 and cos v = − 8/17? (Both u and v are in Quadrant III.)
- How would you find the exact value of the six trigonometric function of 120 degrees?
- How do you use a calculator to evaluate #sin10^circ#?
- How do you find the exact value of #cos ((2pi)/9) cos (pi/18)+sin ((2pi)/9) sin (pi/18)#?
- How do you evaluate #tan 42.4#?
- How do you evaluate #sin(0)#?
- If #tanx=4# and #x# lies in the interval #0^@ < x<90^@#, what is #sec^2x#?
- How do you find the exact value of #sin (pi/12)#?
- How do you find the exact value of #sin (5pi)/3#?
- How do you find the exact value of #(19 pi)/12#?
- How do you find the value of cos 2π?
- How do you evaluate #cos [(pi)/4]#?
- How do you find the value of #csc (-210)#?
- How do you find the exact values of the six trigonometric functions of theta if the terminal side of θ in standard position contains the point (-5,-4)?