Question

for what Value of acute angle . cosA/ 1- sinA + cosA/ 1 + sinA = 4​

Answer 1

Step-by-step explanation:

cosA/1-sinA+cosA/1+sinA=4

cosA(1/1-sinA+1/1+sinA)=4

cosA(1+sinA+1-sinA/1-sin²A)=4

cosA(2/cos²A)=4

2/cosA=4

secA=2

secA=sec60°

A=60°