y! PEy y! Gy H y y y A J S J y N D2L y! y! W S E N X X CO mylab.pearson.com/Student/PlayerTest.aspx?testld=239332833 J M Gmail YouTube Maps PopBlock Plus Activ... @ Home Community -... Watch Anime Onlin... Paperx Order Now | Write.. Library Genesis Reading list MAT166CO2 Pre-Calculus: MA1 (Joshua Galvan) SP22 Jeremiah Campbell 04/17/22 10:27 PM E Test: Module 4 Exam (Chapters 7 and 8 - Trigonometric Question 3 of 9 This test: 9 point(s) possible Identities) This question: 1 point(s) possible Submit test Rewrite the expression as the sine, cosine, or tangent of a double-angle. Then find the exact value of the trigonometric expression without the use of a calculator. 2 cos (-60) - 1 Use the appropriate double-angle formula to rewrite the given expression as the sine, cosine, or tangent of the corresponding double-angle. 2 cos (-60) - 1= (Do not evaluate. Type your answer in degrees. Do not include the degree symbol in your answer.) Find the exact value of the trigonometric expression without the use of a calculator. 2 cos (-60) -1= (Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed.) X More Time Remaining: 01:31:56 Next 49.F Clear O O C 10:27 PM 4/17/2022