QUESTION 15 Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle. cos 64° sin 26° sec 26° cos 154° sin 64°
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Step 1: Recall the cofunction identities: - cos(90° - x) = sin(x) - sin(90° - x) = cos(x) - sec(90° - x) = csc(x) - csc(90° - x) = sec(x) - tan(90° - x) = cot(x) - cot(90° - x) = tan(x) Show more…
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