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
tan cot sec cosec sin cos cot
y' = (sec(x))^2
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