Sin 2x 1

Please ensure that your password is at least 8 characters and contains each of the following:. Enter a problem

Please ensure that your password is at least 8 characters and contains each of the following:. Enter a problem Trigonometry Examples Popular Problems. Take the inverse sine of both sides of the equation to extract from inside the sine. Simplify the right side.

Sin 2x 1

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Please ensure that your password is at least 8 characters and contains each of the following:. Enter a problem Precalculus Examples Popular Problems. Take the inverse sine of both sides of the equation to extract from inside the sine. Simplify the right side.

Sin 2x 1

In mathematics, an "identity" is an equation which is always true, regardless of the specific value of a given variable. Need a custom math course? K12 College Test Prep. Logically, mathematical identities are tautologies; that is, they are expressions which restate the same expression in a different way. In other words, the identities allow you to restate a trig expression in a different format, but one which has the exact same value. There are loads of trigonometric identities, but the following are the ones you're most likely to see and use. Notice how a "co- something " trig ratio is always the reciprocal of some "non-co" ratio.

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Cancel the common factor. The sine function is negative in the third and fourth quadrants. To write as a fraction with a common denominator , multiply by. Divide by. Take the inverse sine of both sides of the equation to extract from inside the sine. The period of the function is so values will repeat every radians in both directions. Add to every negative angle to get positive angles. Divide each term in by. Find the period of. Move to the left of.

Please ensure that your password is at least 8 characters and contains each of the following:.

List the new angles. Combine the numerators over the common denominator. Enter a problem The distance between and is. The period of the function can be calculated using. Please ensure that your password is at least 8 characters and contains each of the following:. Consolidate the answers. Divide each term in by. Multiply the numerator by the reciprocal of the denominator. To find the second solution , subtract the solution from , to find a reference angle. Cancel the common factor. To find the second solution , subtract the reference angle from to find the solution in the second quadrant.