Daniel Acosta
Trigonometry teacher | Experienced educator in USA
I hold a specialization in Trigonometry from West Chester University of Pennsylvania. My dedication to this field stems from a profound love for its intricate principles and practical applications. With a knack for breaking down complex concepts into digestible chunks, I aim to demystify Trigonometry for my students. Through personalized guidance and tailored approaches, I help learners build confidence and master problem-solving skills. Let's embark on a journey of mathematical discovery together, where every question becomes an opportunity to deepen our understanding and appreciation of this fascinating subject.
Questions
How do you simplify using the sum and difference formula #tan(285)#?
How do you find the exact value of #sin(-90)#?
A helicopter at A(6, 9, 3) moves with constant velocity. 10 minutes later, it is at B(3, 10, 2.5) Distances are in kilometres. At what angle to the horizontal does is the helicopter flying?
Given #cosalpha=1/3#, how do you find #sinalpha#?
The value of sin 120.?
How do you find the solution to #5costheta+1=8costheta# if #0<=theta<2pi#?
Solve sin(θ) tan(θ) − cos(θ) = 1 for 0 ≤ θ ≤ 360?
The max value of 4sin^2x+3cos^2x is Options are 4,3,7and 5?
How do you find the complement of an angle?
How do you answer this question?
R = cot(#theta#) converted to rectangular form?
How do you evaluate #Sin^2 (pi/9) + Cos^2( pi/9)#?
How do you find the exact value of #12(sin150)(cos150)#?
How do you write #r=2sec(theta+pi/4)# in rectangular form?
How do you prove #tan(pi/4 + theta) - tan(pi/4 - theta) = 2tan2theta#?
How do you solve #\cos 2x = - 0.9#?
How do you find an angle with a positive measure and an angle with a negative measure that are coterminal with #-400^circ#?
How do you find the exact values of sin 75 degrees using the half angle formula?
How does one verify #tanx+cosx/(1+sinx)=secx#?
How do you find the exact value of #cos ((2pi)/9) cos (pi/18)+sin ((2pi)/9) sin (pi/18)#?