First question please

O Pocket | ( www.c o Mail - 7- Crc X im IMLea | W Sign Ir | Under | Under Log in UW Pl What Medic Apply | . https:/ Search + Q X C 88 app.crowdmark.com/student/assessments/tutorial-quiz-4-e1ea5 O Q1 (4 points) My Courses N 1. Find sin(20) exactly (ie. without a calculator) if 0 is in the third quadrant and cose = -. (Hint: Use trig identities) MATH 127 - Winter 2022 C D + Drag and drop an image or PDF file or click to browse... D I Q2 (4 points) Time left Hide Help 2. The tides at Blacks Harbour, New Brunswick, change the depth of the water in the harbour. On 54:05 . . . one day in February, the tides have a high point of approximately 7 m at 1 p.m. and a low point of approximately 1 m at 8:30 p.m. Create a cosine function to model the problem. O 6 0 0 ENG [x O 5:36 PM X US 2022-01-31 2