2 + tansquareA + cossquareA
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.
Sin cos sec cosec
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
sin(2x), cos(2x), cosec(2x), sec(2x), tan(x) and cot(x) are all possible functions.
Sin Cos Tan Sec Cosec Cot
tan cot sec cosec sin cos cot
y' = (sec(x))^2
tan cot sec cosec sin cos cot
It also equals 13 12.
sin(0) = 0, sin(90) = 1, sin(180) = 0, sin (270) = -1 cos(0) = 1, cos(90) = 0, cos(180) = -1, cos (270) = 0 tan(0) = 0, tan (180) = 0. cosec(90) = 1, cosec(270) = -1 sec(0) = 1, sec(180) = -1 cot(90)= 0, cot(270) = 0 The rest of them: tan(90), tan (270) cosec(0), cosec(180) sec(90), sec(270) cot(0), cot(180) are not defined since they entail division by zero.
32 min 9 sec 40 min 10 sec adding gives... 71 min 19 sec 1 hr 11 min 19 sec. ■
1/45 sec or 0.023 sec