You can put this solution on YOUR website! sec 60 = 1/cos 60 but cos 60 degrees = therfore sec 60 = 1/ sec 60 degrees =

Each commercial is either 30 sec or 60 sec long. If the total commercial time during that hour is 10 min, how many comme Algebra -> Graphs -> SOLUTION: Rudy must play 12 commercials …

You can put this solution on YOUR website! sec(780°) + cos(-540°) + sin(630°) Any angle which is more than 360° can be reduced to a smaller angle with the same trig functions by dividing …

(0.5/75)*60*60 = 24 seconds 2)A lends Rs. 2500 to B and a certain sum to C at the same time at 7% p.a. simple interest. If after 4 years, A altogether receives Rs. 1,120 as interest from B and …

1) sec 240 degrees= 2) tan 9pi/2= 3) cot 13pi/3= .. The problem here is to find the reference angle and the quadrant it is in. The reference angle is the angle the terminal side makes with the x …

Question 323945: A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train? solution: Speed= 60X5/18 m/sec = 50/3m/sec length of the train = S X …

A train passes two bridges of lengths 800 m and 400 m in 100 seconds and 60 seconds respectively The length of the train is?: Let s = the speed of the train in meter/sec Let L = …

Question 1162031: A stone is thrown directly upward from a height of 30 ft, with an initial velocity of 60 ft/sec. The height of the stone, in feet, t seconds after it has been thrown, is given by the …

Question 882479: cos^2 30°×cos^2 45°+4sec^2 60°+1/2cos^2 90°-2×tan^2 60° Answer by ewatrrr(24785) ( Show Source ): You can put this solution on YOUR website!

1 revolution _____ radians radians _____ 1 revolution 1 minute _____ 60 seconds 60 seconds _____ 1 minute The tough part of this is understanding that all these fractions are 1's!! …