Anna Andrews
Trigonometry teacher | Experienced educator in USA
I'm a Trigonometry enthusiast, armed with a degree from York College of Pennsylvania. With a passion for unraveling the complexities of angles and triangles, I thrive on demystifying trigonometric concepts. Whether it's solving equations or understanding the intricacies of trigonometric functions, I'm here to guide students on their mathematical journey. My approachable demeanor and knack for simplifying complex ideas make learning an enjoyable experience. Let's navigate the world of trigonometry together, one angle at a time.
Questions
How do you simplify #(sin^2x-1)/(1+sin^2x)#?
Solve #cosx=sqrt3/2# where #0lexle2pi#? How many solutions are possible? In which quadrants would you find the solutions? Determine the related angle to the equation? Determine all the solutions for the equation?
Determine the exact values of the trigonometric functions of the acute angle A, given tan A =3/7 ?
How do you find the solutions to #8sin^2(3x) = -7sin(3x)#?
If #A= <-2 ,-5 ,4 ># and #B= <-7 ,4 ,-9 >#, what is #A*B -||A|| ||B||#?
How do you prove the identity #cot(x)+sec(x)=(cos(x)+tan(x))/sin(x)#?
How do you convert #r^2=cos(theta)# to polar form?
How do you add #(8+9i)+(-4+6i)# in trigonometric form?
How do you write an algebraic expression that is equivalent to #sec(arcsin(x-1))#?
How do you express #sin(pi/12) * cos(pi/6 ) # without products of trigonometric functions?
How do you solve #4\sec ^{2}\Theta =5# ?
A triangle has sides A, B, and C. The angle between sides A and B is #(pi)/4#. If side C has a length of #15 # and the angle between sides B and C is #( 3 pi)/8#, what are the lengths of sides A and B?
What is the period of #f(t)=sin( ( t) /6 )#?
How do you evaluate #Sin 120#?
How can this be reduced to the simplest form?
What is Cos²A - Cos²B = ?
How do you use the half angle identity to find exact value of tan 67.5?
What is #(5pi)/8 # radians in degrees?
Prove the identity #(1/sinx - 1/tanx)^2 -= (1-cosx)/(1+cosx).# ?
How do you graph #y=1-sinx# over the interval #0<=x<=360#?