Register
Evaluate sin(-120) + cos(-120)
96.8k views
5 votes
Evaluate sin(-120) + cos(-120)

User Fiorentinoing
by
3.1k points

1 Answer

2 votes

Answer:


\sin( - 120) + \cos( - 120) \\ \\ = - ( √(3) )/(2) + ( - 0.5) \\ \\ = - ( √(3) )/(2) - (1)/(2) \\ \\ = { \boxed{ - ( (1 + √(3) )/(2)) }}

Answer: -1.366

User Manfred Weis
by
3.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.2m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Can someone help me plz I have to Turn 27/9 in simplest
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
WHAT IS 33 TIMES 5 TELL ME THE ANWER
Link Copied!