We're going to learn about the sine, which is one of the trigonometric ratios. Given an angle A in a right triangle. Then sin A is equal to the length of the leg that is opposite to this angle A, over

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We know that angle C measures 90°, so we know that angles A and B must add up to 90° (complementary angles). Therefore, we can deduce that the sine of angle A is equal to the

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What is the angle of the right triangle shown below? Step-by-Step: 1 Start with the formula: θ = sin −1 (opposite / hypotenuse) Don't forget: sin −1 is the inverse sine function (it applies to

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As an example, follow these steps to find the exact value of sin (pi/12): Rewrite the angle in question, using the special angles in radians with common denominators. From the