When the triangle has a right angle (90°) ...
... and squares are made on each
three sides, then ...
a2 + b2 = c2 hres a link for a given example
SOHCAHTOA is a way of remembering how to compute the sine, cosine and tangent of an angle.
SOH stands for Sine equals Opposite over Hypotenuse
CAH stands for Cosine equals Adjascent over Hypotenuse
The inverse trigonometric functions (sin-1, cos-1, and tan-1) allow you to find the measure of an angle in a right triangle. All that you need to know are any two sides as well as how to use SOHCAHTOA. for more info please visit here.
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