 # High school trigonometry questions and answers

Recent questions in Trigonometry Julian Peck 2022-04-15 Answered

### Find $\mathrm{sin}\frac{\theta }{2}$ when $\mathrm{sin}\theta =\frac{35}{}$, and ${0}^{\circ }<\theta <{90}^{\circ }$The answer I'm currently getting is $\sqrt{\frac{1}{10}}$ but the answer must be either My Process:since $\mathrm{sin}\frac{\theta }{2}=±\sqrt{\frac{1-\mathrm{cos}\theta }{2}}$$\sqrt{\frac{1-\frac{4}{5}}{2}}\cdot \sqrt{\frac{5}{5}}=\sqrt{\frac{5-4}{10}}=\sqrt{\frac{1}{10}}$ Karissa Sosa 2022-04-06 Answered

### Prove this trigonometry equation: $\mathrm{sin}{40}^{\circ }\cdot \mathrm{sin}{50}^{\circ }$ is equal to $\frac{1}{2}\mathrm{cos}{10}^{\circ }$ Kaiden Wilkins 2022-04-06 Answered

### f(t)=sin(2t) valor.21ict 2022-04-01

###  Erik Cantu 2022-03-31 Answered

2022-03-29

2022-03-21

### A Harris Interactive survey for InterContinental Hotels & Resorts asked respondents, “When traveling internationally, do you generally venture out on your own to experience culture, or stick with your tour group and itineraries?” The survey found that 23% of the respondents stick with their tour group (USA Today, January 21, 2004).In a sample of six international travelers, what is the probability that two will stick with their tour group?In a sample of six international travelers, what is the probability that at least two will stick with their tour group?In a sample of 10 international travelers, what is the probability that none will stick with the tour group? Zaccagliaodi 2022-03-02 Answered

### The triangle ABC is an isosceles triangle. What are each of the congruent base angles if the vertex angle measures 40 degrees? Brooklyn1wp 2022-02-28 Answered

### cos^(2)x-sin^(2)x=1-2sin^(2)x Shayla Lyons 2022-02-14 Answered

2022-02-08

2022-02-05

### Airline passenger arrive randomly and independently at the passenger screening facility at a major international airport with mean arrival rate of 10 passenger per minute. 1. what is the probability that exactly 7 passengers arrive in a minute period? 2.what is the probability that at the most 5 passengers would in a minute period? 3.what is the probability that number of passenger in a minute would be between 8 and 12 both inclusive? Shayla Lyons 2022-02-05 Answered

### Write about TWO important mathematical books/publications (give author, title, short content description) from EACH of the following 2time periods so a total of 4 publications/books. 1300-1750; and 1750-2000.

Dealing with Trigonometry problems, it is extremely difficult to find practice answers online, which is why our professional team decided to publish a list of questions with the answers to help you see the most common solutions and the formatting. If you need any kind of additional help as you seek math homework online, the safest way would be to compare your task with the provided examples.

By doing so, it is easy to spot a mistake that you may have. Meanwhile, have a look at our Trigonometry examples.