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Above the trig function keys, there are options for sin^-1, cos^-1, and so on. In other words, there are the inverses available. We can use these inverse functions to solve trigonometric problems exactly like you would expect. To access these secondary functions, you often push another ...
If a triangle contains two unknown sides, then more complex trigonometric formulas and algebraic proofs will have to be applied in order to find them. This same mathematical theorem can also be applied to physics problems like triangular force vectors. What Is a Right Triangle? A right angled t...
Trigonometric equation identity, or whether an equation that is true, can be determined or verified by utilizing specific trig identities. Learn some basic identities, and how they apply in provided examples. Create an account Table of Contents A Trigonometric Equation Identity Our Basic Identities...
Not only did this student KNOW all the formulas, she knew WHY they worked, AND she could build them on her own. Also, taking the time to do this so slowly, in the end, created massive speed. This student became one of the fastest problem-solvers I’ve ever seen at this level … ...
We can find the secant, cosecant, and cotangent functions also using these formulas: secθ = 1/cosθ cosecθ = 1/sinθ cotθ = 1/tanθ We have discussed the unit circle for the first quadrant. Similarly, we can extend and find the radians for all the unit circle quadrants. The num...
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If you're like most students, you're better at some math subjects than others. You might have done better in algebra than geometry. Or maybe you really like trig, but hate probability. If you're like most students, you also don't have an unlimited amount of time to study. You have ...
Recall that your basic trig functions of sine, cosine, and tangent can easily be found by using a right triangle. Remember SOHCAHTOA? It tells you that: Sine is equal to opposite/hypotenuse Cosine is equal to adjacent/hypotenuse Tangent is equal to opposite/adjacent ...
Taking into account the imperfect compensation of the phase error that occurs in the coherent receiver when mixing the optical signal and the signal of the local laser, we have derived an analytical expression for the error probability in detecting multilevel PSK signals. The results have shown ...