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a^2 – b^2 (formula and example)

(a – b)^3 (formula and example)

(a – b)^2 (formula and example)

(a + b)^3 (formula and example)

(a + b)^2 (formula and example)

Calculate sin^2 of 79 degrees + cos^2 of 79 degrees (problem with solution)

What is cosine of 90 degrees? (cos 90 degrees) cos 90 degrees = 0

What is sine of 90 degrees? (sin 90 degrees) sin 90 degrees = 1

What is cosecant of 0? (csc 0 radians) csc 0 does not exist (it’s undefined)

What is secant of 0? (sec 0 radians) The full list is here.