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<html><body><h2 id="content-id-4519837206-2"><b>Trigonometry Questions Overview</b></h2><p>Trigonometry Questions have a good weightage in the Ssc Chsl Exam and the type of question asked in Ssc Chsl exam is similar to the question mentioned below. It has been solved and explained by KD Live Experts under the guidance of Neetu Mam and they have tried to elaborate the concept used in Trigonometry Questions.</p><h2 id="content-id-2348597160-3"><b>Question On Trigonometry </b></h2>If sin 3A = cos (A - 26º), where 3A is an acute angle. Then find the value of 3A.
<div class="row show--dificulty--bar" style="margin-top:8px;"><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex !important;border-right:0.1px solid #eee;"><h3 style="font-size:12px !important;">Difficulty : Moderate </h3></div><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex;"><h3 style="font-size:12px !important;"> Average Time : 31 Seconds </h3></div></div><h2 id="content-id-2485769310-4"><b> Trigonometry Questions Options</b></h2><ol><li><p>29º</p>
</li><li><p>116º</p>
</li><li><p>60º</p>
</li><li><p>87º</p>
</li></ol> <h2 id="content-id-8695307214-5"><b> Trigonometry Questions Solution</b></h2><p>The correct answer is <strong>Option 4</strong> i.e <strong>87</strong>º</p>

<table border="1" cellpadding="1" cellspacing="1" style="width:300px">
	<tbody>
		<tr>
			<td><strong>Understanding</strong></td>
		</tr>
		<tr>
			<td>
			<p>cos (90º - θ) = sin θ</p>

			<p>So,</p>

			<p>sin 3A = cos (90º - 3A)</p>
			</td>
		</tr>
		<tr>
			<td><strong>Application</strong></td>
		</tr>
		<tr>
			<td>
			<p>sin 3A = cos (A - 26º)</p>

			<p><span style="font-size:12.0pt">⇒ </span>cos (90º - 3A) = cos (A - 26º)</p>

			<p><span style="font-size:12.0pt">⇒ </span>(90º - 3A) = (A - 26º)</p>

			<p><span style="font-size:12.0pt">⇒ </span>4A = 116º</p>

			<p><span style="font-size:12.0pt">⇒ </span>A = 29º</p>

			<p>So, 3A = 29º × 3 = 87º</p>
			</td>
		</tr>
	</tbody>
</table>
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The correct answer is Option 4 i.e 87? - Trigonometry Questions are asked in Ssc Chsl exams and your question has been explained by experts like Neetu Mam.

If sin 3A cos A - 26 - Trigonometry Questions for Ssc Chsl

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