sir,If sinA +cosA =2^0.5multiplied by sin(90-A);then determine cotA.thank you
Pruthvi raj , 10 Years ago
Grade 10
1 Answers
SHAIK AASIF AHAMED
Last Activity: 10 Years ago
Hello student, Please find the answer to your question below Given sinA+cosA=sin(90-A) So sinA+cosA=cosA diving by cosA on both sides we get TanA+1= So tanA=-1 So cotA=(1/tanA)=(1/(-1))=+1 So cotA=+1