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Abigail Armstrong
Trigonometry teacher | Verified Expert
I specialize in Trigonometry, holding a degree from the University of Southern Maine. With a passion for mathematics and years of experience, I thrive on demystifying complex concepts and guiding students to mastery. Whether it's solving triangles or navigating trigonometric functions, I'm dedicated to fostering a deep understanding and helping students excel in their studies. Let's tackle trigonometry together and unlock its fascinating intricacies.
Questions
How do you find the value of cos (pi)/6?
A triangle has sides A, B, and C. Sides A and B have lengths of 11 and 7, respectively. The angle between A and C is #(7pi)/24# and the angle between B and C is # (13pi)/24#. What is the area of the triangle?
If #tana=21/20# and #a# lies in #Q3#, find #tan(a/2),sin(a/2)# and #cos(a/2)#?
How do you use the half angle formula to solve for sin(x/2) when given sin(x)=(24/25)?
How do you convert # (r+1)^2= theta + csctheta # to Cartesian form?
How do you convert #(-2, 5)# to polar form?
How do you graph #r=-3#?
How do you convert #-0.355^circ# to #D^circM'S''# form?
How do you find the amplitude and period for #s = 1/2 cos (pit - 8)#?
If sin s =2/3 and cos s = √5 over 3 what are the values of the remaining four trigonometric functions of s?
How do you evaluate #cos (pi/6) cos (pi/3) - sin (pi/6) sin (pi/3)#?
How do you give the six trigonometric function values of (-3pi)/2?
What is the period of #f(t)=sin( t/7 ) #?
How do you find the general solution of #sqrt2 sin2theta+1=0#?
How do you solve #2cos^2(theta) + sin(theta) = 1#?
How do you solve #cot^2x-cscx=1# and find all solutions in the interval #0<=x<360#?
How do you solve #2sin^2x-5sinx+2=0#?
How do you simplify the expression #tan^2t/(1-sec^2t)#?
What is the length of the hypotenuse of a right triangle if the two other sides are of lengths 5 and 11?
Verifying a Trigonometric Identify: cot(pi/2-x)=tanx I am stuck, I used the difference identity for tan, but tan is undefined at pi/2, so would I just substitute the value for cot pi/2 fir tanA in the tan difference formula? Thanks in advance.