Question

if cos A=7/25 find the value of cotA/2 plss ans it quickly​

Answer 1

the following answer will help you

and the answer is 7/24

Answer 2

0.1458..

Step-by-step explanation:

$\cos A = \frac{7}{25}$

we know that

$\sin A = \sqrt{1-\cos^2A}\\\\\sqrt{1-\frac{7^2}{25^2}}\\\\\sqrt{1-\frac{49}{625}}\\\\\sqrt{\frac{625-49}{625}}\\\\\sqrt{\frac{576}{625}}\\\\\frac{24}{25}\\\\\sin A = \frac{24}{25}\\\\\tan A = \frac{\sin A}{\cos A}\\\\\tan A =\frac{\frac{24}{25}}{\frac{7}{25}}= \frac{24}{7}\\\\\cot A = \frac{1}{\tan A }\\\\\cot A =\frac{1}{\frac{24}{7}}\\\\\cot A = \frac{7}{24}$

cot A = 0.29166

then

cot A/2 = 0.1458..

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