What is contangent?

What is the measure of angle A in triangle ABC if B equals 15 degrees C equals 65 degrees and side a equals 19? How many feet high is mt Whitney? What is stronger a 6 x 6 post or 3 2 x 6 bolted together? What is the formula and solution of this problem an angle of 50 degrees in standard position has its terminal side in the first quadrant. find the coordinates of point P on the unit circle.? What is the cos of a 40 degree angle? What is the height of mount sinai? Does acoustics use trigonometry? What is an analogy of trip? What is Tri state logic? What is the cosecant of 115 degrees? Rotation of 180 about the origin? What is 4sin theta cos theta? What is the domain of cosine? What is cos 16.5? How do architects use trigonometry? How is trignometry used in agricultural field? How much dosage of cytotec 200 mcg should be taken to abort 7 weeks pregnancy? 100 volts of ac are put across a 100 trun transformer primary what will be the voltage output if secondry has 200 truns what is power in each coil? What island was Pythagoras born on? Is at 3'oclock an adverb?