Elijah Alexander
McDaniel College
Trigonometry
Trigonometry teacher | Verified Expert
I hold a degree in Trigonometry from McDaniel College, where I honed my passion for unraveling the intricacies of angles and functions. With a deep-rooted understanding of trigonometric principles, I am committed to guiding students through the maze of sine, cosine, and tangent. My mission is to illuminate the path to mastery in this pivotal field of mathematics, making concepts clear and accessible. Whether it's solving triangles or navigating through identities, I am here to empower students to conquer Trigonometry with confidence and clarity. Let's embark on this mathematical journey together!
Questions
- How do you find the reference angle for the given angle 415?
- In a 45° - 45° - 90° right triangle, the length of the hypotenuse is #15sqrt2#, what is the length on one of the legs?
- How do you determine the quadrant in which #3.5# radians lies?
- How do you find the Sine, Cosine, or Tangent of an angle?
- How do you find the values of all six trigonometric functions of a right triangle ABC where C is the right angle, given a=20, b=21, c=29?
- How do you find the values of the other five trigonometric functions of the acute angle A with #cosA=2/3#?
- How do you find the the angle of elevation of the sun if at 10 am on april 26, 2000, a building 300 feet high casts a shadow 50 feet long?
- Given: triangle ABC, median segment AD, AD=1/2 BC how do you prove Triangle ABC is a right triangle, and segment BC is its hypotenuse?
- How do you find the values of #theta# given #sintheta=1/2#?
- How do you find the five remaining trigonometric function satisfying #tantheta=5/4#, #costheta<0#?
- A lamppost tilts toward the sun at a 2 degree angle from the vertical and casts a 25-foot shadow. The angle from the tip of the shadow to the top of the lamp post is 45 degrees. How do you find the length of the lamp post?
- If sin x = 0.5299 and cos x = 0.8481, then what is the value of tan x?
- How do you find values of trigonometric functions using the unit circle?
- How do you show that the point (7/25, 24/25) is on the unit circle?
- How do you find the exact value of the trigonometric function cos 570 degrees?
- What is the reference angle of sin(-45)?
- How do you find the exact 6 trigonometric ratios for the angle x whose radian measure is #(5pi)/6#?
- In what quadrant is secant negative and tangent positive?
- A ladder leans against a vertical wall & its 9 meters up the wall. If the ladder is at an angle of elevation 60 degrees to the horizontal, how do you calculate the length of the ladder?
- In triangle ABC, how do you solve the right triangle given Angle A=60°, Angle C=90?