All Trigonometry Resources
Example Questions
Example Question #21 : Trigonometric Equations
What is a simple expression for the formula:
Possible Answers:
Correct answer:
Explanation:
From the expression :
we have:
Now since we know that :
. This expression becomes:
.
This is what we need to show.
Example Question #22 : Trigonometric Equations
Factor:
Possible Answers:
Correct answer:
Explanation:
Step 1: Recall the difference of squares (or powers of four) formula:
Step 2: Factor the question:
Factor more:
Step 3: Recall a trigonometric identity:
.. Replace this
Final Answer:
Dejuan
Certified Tutor
Certified Tutor
University of Illinois at Urbana-Champaign, Bachelor of Science, Electrical Engineering.
All Trigonometry Resources
Trigonometry Tutors in Top Cities:
Atlanta Trigonometry Tutors, Austin Trigonometry Tutors, Boston Trigonometry Tutors, Chicago Trigonometry Tutors, Dallas Fort Worth Trigonometry Tutors, Denver Trigonometry Tutors, Houston Trigonometry Tutors, Kansas City Trigonometry Tutors, Los Angeles Trigonometry Tutors, Miami Trigonometry Tutors, New York City Trigonometry Tutors, Philadelphia Trigonometry Tutors, Phoenix Trigonometry Tutors, San Diego Trigonometry Tutors, San Francisco-Bay Area Trigonometry Tutors, Seattle Trigonometry Tutors, St. Louis Trigonometry Tutors, Tucson Trigonometry Tutors, Washington DC Trigonometry Tutors
Popular Courses & Classes
ISEE Courses & Classes in San Francisco-Bay Area, ISEE Courses & Classes in Chicago, MCAT Courses & Classes in Houston, MCAT Courses & Classes in Dallas Fort Worth, Spanish Courses & Classes in Houston, ISEE Courses & Classes in San Diego, GRE Courses & Classes in Philadelphia, GRE Courses & Classes in Washington DC, Spanish Courses & Classes in Chicago, LSAT Courses & Classes in Seattle