Mathematics
TRIGONOMETRY
त्रिकोणमिति
This unit introduces trigonometric ratios and identities and applies them to determine heights and distances in restricted real-life configurations.
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1INTRODUCTION TO TRIGONOMETRY
त्रिकोणमिति का परिचय
Introduces trigonometric ratios for acute angles in a right-angled triangle, their existence, values at 0°, 30°, 45°, 60° and 90°, and relationships among ratios.
0 questionsTRIGONOMETRIC IDENTITIES
त्रिकोणमितीय सर्वसमिकाएँ
Covers the proof and application of sin² A + cos² A = 1 and other simple trigonometric identities within the prescribed scope.
0 questionsHEIGHTS AND DISTANCES: Angle of elevation, Angle of Depression
ऊँचाइयाँ और दूरियाँ: उन्नयन कोण, अवनमन कोण
Applies trigonometric ratios to simple heights-and-distances problems involving one or two right triangles and angles of 30°, 45° and 60°.
0 questions