26 May 2021 Sergiu Funieru Quiz : what is the value of i^2 : complex numbers 0 Quiz : what is the value of i^2 : complex numbers 0 Continue reading
26 May 2021 Sergiu Funieru tan (-a) (formula and example) (tangent of negative angle) 0 0 Continue reading
25 May 2021 Sergiu Funieru cos (-a) (formula and example) (cosine of negative angle) 0 0 Continue reading
24 May 2021 Sergiu Funieru sin (-a) (formula and example) (sine of negative angle) 0 0 Continue reading
23 May 2021 Sergiu Funieru tan 2a (formula and example) (tangent of double angle) 0 0 Continue reading
22 May 2021 Sergiu Funieru cos 2a (formula and example) (cosine of double angle) 0 0 Continue reading
20 May 2021 Sergiu Funieru tan (a – b) (formula and example) (tangent of difference) 0 0 Continue reading
18 May 2021 Sergiu Funieru cos (a – b) (formula and example) (cosine of difference) 0 0 Continue reading
