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Q: What is the first step to proving that a trigonometric equation is an identity?
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Related questions

What can't linear equations have in order to be a linear equation?

To be a linear equation, the equation must be set equal to Y. Also, it can't have any square roots, or any variables on the bottom of a fraction. In general, the terms of a linear equation must be either first-degree polynomials with respect to the variables, constants, or products of the two. This disallows terms involving trigonometric, logarithmic, exponential, hyperbolic, and power expressions (except for the power of 1) and their inverses.


How do you find trigonometric ratios without a calculator?

There are a few ways. First, there are a multitude of trigonometric tables which list the sines and cosines of a variety of values. if you now one trigonometric value of a number, you can find all the others by hand, and you can also use a Taylor series approximation to find a fairly accurate value. (In fact, many calculators use Taylor series to find trigonometric values.)


Is a rhombus always sometimes or never a parallelogram?

Always. In fact, one method of proving a quadrilateral a rhombus is by first proving it a parallelogram, and then proving two consecutive sides congruent, diagonals bisecting verticies, etc.


What is a first degree equation?

a linear equation


What mathematician created trigonometry?

Trigonometry goes back to ancient times. The first trigonometric table is attributed to Hipparchus of Nicaea.


When was Identity - novel - created?

"Identity" is a novel by Milan Kundera that was first published in 1997.


What is the Contribution of hipparchus to trigonometry?

Created the division of a circle into 360 degrees and made one of the first trigonometric tables for solving triangles.


What is an answer to an equation?

you have to write down the equation first so people can answer it


Who first traveled round the earth proving it was a sphere?

it was ferdinand magellan who circumnavigated the world


Who was the first iatrochemist to balance a chemical equation?

Jean Beguin was the first iatrochemist to balance a chemical equation.


Which was the first Indian state to use electoral identity card?

how do i reply for a Indian identity card


If you have a equation that has only x's and y's that is true what is the first thing you do?

The first thing I would do is find out why I have the equation. That is,find out whether somebody has a question concerning the equation.