What are the exact values of the six trigonometric functions for Negative StartFraction 7 pi Over 6 EndFraction radians? ANSWER

A sin (-7pi/6)=-3sqareroot/2;-7pi/6=-1/2; tan(7pi/6)=-3squareroot

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?