IGCSE /Grade 10
Maths MCQ Based On Trigonometric ratios finding side length
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IGCSE Grade 10 Maths Trigonometric ratios finding side length
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Calculate sin 30°.
sin30° = opp/hyp
sin30° = 1/2
So, sin30°= 1/2.
Find AB.
Use the definition of sine (sin) to write an equation, then solve for AB.
sin30° = AB/8
1/2 = AB/8
8/2 = AB
AB = 4.
Calculate sin 30°. sin 45° = opp/hyp Find PQ. Use the definition of sine (sin) to write an equation, then solve for PQ.
Calculate sin60°. sin60° = opp/hyp Find AB. Use the definition of sine (sin) to write an equation, then solve for AB.
Calculate cos60°. cos60° = base/hyp cos60° = 1/2 So, cos60°= 1/2. Find BC. Use the definition of sine (sin) to write an equation, then solve for BC.
Calculate sin60°. sin60° = opp/hyp Find AB. Use the definition of sine (sin) to write an equation, then solve for AB.
In front of angle will be length Sin 49 = 0.7547 sin = length \\hyp
Calculate cos45°. cos45° = base/hyp Find QR. Use the definition of cosine (cos) to write an equation, then solve for QR.
Calculate sin30°. cos30° = base/hyp Find BC. Use the definition of sine (sin) to write an equation, then solve for BC. cos30°= BC/2
Calculate sin45°. sin45° = opp/hyp Find PQ. Use the definition of sine (sin) to write an equation, then solve for PQ.
Calculate cos60°. cos60° = opp/hyp cos60° = 1/2 So, cos60°= 1/2. Find BC. Use the definition of cosine (cos) to write an equation, then solve for BC.
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