Secant of Complement equals Cosecant/Examples/3 Theta
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Example of Secant of Complement equals Cosecant
- $\map \cos {90 \degrees - 3 \theta} = \csc 3 \theta$
Proof
From Secant of Complement equals Cosecant:
- $\map \cos {90 \degrees - \theta} = \csc \theta$
The result follows by substituting $3 \theta$ for $\theta$.
$\blacksquare$
Sources
- 1953: L. Harwood Clarke: A Note Book in Pure Mathematics ... (previous) ... (next): $\text V$. Trigonometry: Exercise $\text {XXXI}$: $7.$