Trigonometry
Let be an angle in standard position with a point on the terminal side of and .
, , , , , and .
Observe the figure :
The point is .
Find the value of .
Apply formula : .
,
,
.
The trigonometric functions , , and .
TESTIMONIALS
"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |
"Your site is amazing! It helped me get through Algebra." Charles |
"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |
mathskey.com is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only