2 + tansquareA + cossquareA
Chat with our AI personalities
sec(x)=1/cos(x) - (hint: look at the third letter: sec->(1/)cos, cosec->(1/)sin, cot->(1/)tan)
sec 45o = cosec 45o = √2 ≈ 1.414
tan cot sec cosec sin cos cot
y' = (sec(x))^2
It also equals 13 12.