Question

if tanA =cotA then find cosA ​

Answer 1

Answer:

P/B=B/P =>P=B=> cosA = B/H=B/√2B=1/√2

Step-by-step explanation:

therefore A = 45°

Answer 2

$tanA= cotA \\ \frac{tanA}{tanA} = 1 \\ {tan}^{2} A = 1 \\ tanA = 1 \\ a = 45 \degree \\ \\ cosA = cos45 \degree = \frac{1}{ \sqrt{2} }$