excvroz0egina excvroz0egina

21-11-2016
Mathematics

contestada

Work out tan(19pi/4) without a calculator

Respuesta :

adriana31 adriana31

21-11-2016

19π/4= 4.75π or 2 full radians and 3/4π. Tan is equal to sin/cos
sin of 3/4π is √2/(2)
cos of 3/4π is -√2/2
so if you were to divide them up it would be
√2 * -2
2 √2
equal to -1

Answer Link

Otras preguntas

What is the maximal audio frequency of a Doppler ultrasonic blood flow meter with a carrier frequency of 7.5MHz, a transducer angle of 60 deg, and an acoustic v

Question: After overtaking another motor vehicle on a two-lane roadway, a good rule of thumb to use to determine when it is safe to return to the right-hand lan

Which of the following is the best explanation for the creation of the Doctorate of Nursing Practice (DNP) degree?

According to the article "The Three Personalities of America," the _______ region has high levels of extroversion, agreeableness, and conscientiousness—three mo

The table contains order-dependent setup times for three jobs. The optimal processing sequence is ABC. What is the total setup time? 1) 7 2) 10 3) 14

Zucchini if I I go I it

A lack of interpersonal skills among leaders and preceptors has caused new nurses to leave and choose another organization. A. True B. False

Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis. y=4-[tex]\frac{x^2}{4}[/tex] and y=2.

A 2.80 kg grinding wheel is in the form of a solid cylinder of radius 0.100 m. (a) What constant torque will bring it from rest to an angular speed of 1200 rev/

Scope may be divided into product scope and __________ scope.A. project B. cost C. time D. sequence