If \cos x=\frac{p}{q} and 0^\circ

SSC CHSL 15 Oct 2020 Shift 1 Paper

Question : 67 of 100

Marks: +1, -0

\cos x={p}/{q}

and $0°

Solution:

Given,

\cos x={p}/{q}

We know that,

\tan x={\sin x}/{\cos x}={\√{1-\cos ^{2} x}}/{\cos x}

={\√{1-({p}/{q})^{2}}}/{{p}/{q}}={\√{q^{2}-p^{2}}}/{p}

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