TMobile LTE 154 PM 131 coursesapexlearningcom onometry SUBMI

T-Mobile LTE 1:54 PM 1.31% courses.apexlearning.com onometry SUBMIT Question 17 of 25 True-False: Please select true or false and click \"submit. cot? x-tan? x 1 for all values of x. O A. True O B. False

Solution

B. Fasle

This can proven wrong by considering x = 45°

cot(45°) = tan(45°) = 1

=> cot²(45°) - tan²(45°) = 1 - 1 = 0

Hence, the given satement is False.