QUIZ: Trigonometric Identities Score: _/15 points Name: Katelyn kennard Date: _5/27/22 Period: 1 Reciprocal Identities sin 0 = - cos 0 = = 1 seco tan 0 = coto CSC 0 = - 1 - sino sec 0 = - 1 cos cot ! = 1 Quotient tano identities tano = sine cose cote = Cos 0 sin 0 Pythagorean Identities cos' 0 + sin' 0 = 1 tan' 0 +1 = sec? 0 cot' 0 +1 = csc2 0 Multiple Choice: Simplify the following expressions. [2 pts each] 1. cose - cose . sine 2. sing a. sec tane a. cote b. cose b. tane - 2 c. sine - 2 c. sine d. tane d. cose 3. tane . sine + cose a. cosB+sine cose b. 1 + coso - 2 CSCO d. seco Prove. Show all of your work. [5] csco.tan0 5. sine(cote + tane) = seco 4. = 1 [4] seco (Cos 90) + sin 210 where is cus (0) this - 4 from ? = costo) - 4