Register
Help pls i dont understand how to do this :')
97.9k views
0 votes
Help pls i dont understand how to do this :')

Help pls i dont understand how to do this :')-example-1
User Stas Parshin
by
3.6k points

1 Answer

0 votes

Answer:

7/8

Explanation:

Use the Pythagorean Identity


( \sin(x) ) {}^(2) + ( \cos(x) ) {}^(2) = 1

Plug in


( √(15) )/(8)

for cos x.


(\sin(x) ) {}^(2) + ( ( √(15) )/(8) ) {}^(2) = 1


( \sin(x) ) {}^(2) + (15)/(64) = 1


( \sin(x) ) {}^(2) = (49)/(64)


\sin(x) = (7)/(8)

User Petrik
by
3.0k 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]
At the beginning of a population study, a city had 240,000 people. Each year since, the population has grown by 9.7%. Lett be the number of years since start of the study. Let y be the city's population.
Link Copied!