Prove-that-1-sin-2-sec-2-1-

Question Number 106609 by DeepakMahato last updated on 06/Aug/20

P r o v e t h a t

(1 - {s i n}^{2} θ) {s e c}^{2} θ = 1

Commented by mohammad17 last updated on 06/Aug/20

w h e n : 1 - {s i n}^{2} θ = {c o s}^{2} θ

w h e n : {s e c}^{2} θ = \frac{1}{{c o s}^{2} θ}

⌋ (1 - {s i n}^{2} θ) {s e c}^{2} θ = {c o s}^{2} θ \times \frac{1}{{c o s}^{2} θ} = 1

m . s s . m o h a m m a d

Answered by JDamian last updated on 06/Aug/20

(1 - (1 - \cos^{2} θ)) \frac{1}{\cos^{2} θ} = \cos^{2} θ \frac{1}{\cos^{2} θ} = 1

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