Question

4. The equal value of cos A is​

Answer 1

Answer:

Step-by-step explanation:

tan x = sin x cos x . The cotangent of x is defined to be the cosine of x divided by the sine of x: cot x = cos x sin x . The secant of x is 1 divided by the cosine of x: sec x = 1 cos x , and the cosecant of x is defined to be 1 divided by the sine of x: csc x = 1 sin x .

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Answer 2

Answer:

$cosa = \frac{1}{seca}$

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