2018年3月20日 · How do you evaluate sec(150)? Trigonometry Right Triangles Trigonometric Functions of Any Angle. 2 Answers

2015年6月18日 · How do you know if #sin 30 = sin 150#? How do you show that #(costheta)(sectheta) = 1# if #theta=pi/4#? See all questions in Trigonometric Functions of …

2015年9月21日 · Refer to explanation We have that sin(150)=sin(180-30)=sin30=1/2 csc(150)=1/sin(150)=2 cos (150) = –cos(30) =-sqrt3/2 sec(150) = 1/cos(150)=-2/sqrt3 …

2015年11月3日 · How do you know if #sin 30 = sin 150#? How do you show that #(costheta)(sectheta) = 1# if #theta=pi/4#? See all questions in Trigonometric Functions of …

How do you give the exact value of #sec^2 300-2cos^2 150+tan 45#? If #sec x > 0# and #cot x < 0# in which quadrant does the terminal side of position angle x lie? How do you find the value …

2015年2月15日 · sec^2(300^o) = (1 / (cos^2(300^o))) cos(300^o) = cos(-60^o) = cos(60^o) = 1/2 cos^2(300^o) = 1/4 sec^2(300^o) = 4 cos(150^o) = - cos(30^o) = - sqrt(3)/2 cos^2(150^o ...

2015年4月24日 · If theta corresponds to the point (x,y) on the unit circle, then: csc theta = 1/y sec theta = 1/x cot theta = x/y

2015年4月3日 · To solve this related rates (of change) problem: Let y = the height of the balloon and let theta = the angle of elevation. We are told that (dy)/(dt)=8 ft/sec. We are asked to find …

How do you give the exact value of #sec^2 300-2cos^2 150+tan 45#? If #sec x > 0# and #cot x < 0# in which quadrant does the terminal side of position angle x lie? How do you find the value …

2016年9月24日 · Given m_p->" Mass of the ballistic pendulum"=3.0kg m_b->" Mass of the bullet "=0.05kg v_p->" Initial velocity of the ballistic pendulum"=0m/s v_b->" Initial velocity of the …