Trigonometry: Co-Function Identities - Expii
By A Mystery Man Writer
The co-function identities relate "co-pairs" of trig functions at x and π/2 - x. For example, sin(π/2 - x) = cos(x), cos(π/2 - x) = sin(x), tan(π/2 - x) = cot(x), and cot(π/2 - x) = tan(x).
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Use cofunction identities and trig identities to find the indicated trig functions
Use cofunction identities and trig identities to find the indicated trig functions
Use cofunction identities and trig identities to find the indicated trig functions
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