Question

if sin x=0 then x equal to​

Answer 1

when x=0 degree then sin x = 0

answer = 0 degree

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Answer 2

$\rule{200}3\rule{200}3$

★ Solution :-

Given that ,

Sin(x) = 0

As we know that ,

• sin0° = 0

By comparing sinx & sin0°

→ sinx = sin0°

→ x = 0°

$\rule{200}3\rule{200}3$

★ More information :-

Trigonometric identities

• sin²A + cos²A = 1
• sec²A - tan²A = 1
• cosec²A - cot²A = 1

Trigonometric ratios of angles

$\begin{tabular}{||c|c|c|c|c|c||}\cline{1-6} \bf Ratios & \bf 0^\circ &\bf 30^\circ & \bf 45^\circ & \bf 60^\circ & \bf 90^\circ \\\cline{1-6}\bf sin\theta&\sf 0&\sf ^{_1}/_2 & \sf ^{_1}/_\sqrt2 & \sf \sqrt3/2 & \sf 1 \\\cline{1-6}\bf cos\theta&1&\sqrt3/2&1/\sqrt2&1/2&0\\\cline{1-6}\bf tan\theta&0&1/\sqrt3&1&\sqrt3&\infty\\\cline{1-6}\bf csc\theta & \infty&2&\sqrt2&2/\sqrt3&1\\\cline{1-6}\bf sec\theta&1&2/\sqrt3&\sqrt2&2&\infty\\\cline{1-6} \end{tabular}$

$\rule{200}3\rule{200}3$