Chapter 8 : Introduction to Trigonometry
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The chapter “Introduction to Trigonometry” mainly deals with:
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In a right triangle, if perpendicular = 12 and hypotenuse = 13, then sin θ = ?
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In a right triangle, if base = 6 and hypotenuse = 10, then cos θ = ?
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Which of the following is reciprocal of cos θ?
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Which of the following is reciprocal of tan θ?
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The value of cosec 45° is:
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The value of sec 45° is:
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If tan θ = 1, then θ may be:
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If cos θ = 3/5, then sin θ = ?
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If sin θ = 5/13, then cos θ = ?
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If perpendicular = 8 and base = 15, then hypotenuse = ?
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The trigonometric ratios are defined for:
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Which trigonometric ratio is equal to Base/Hypotenuse?
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Which trigonometric ratio is equal to Perpendicular/Hypotenuse?
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cosec 0° is:
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sec 90° is:
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cot 90° is equal to:
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tan 0° is equal to:
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If θ = 60°, then sin θ = ?
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If θ = 30°, then cos θ = ?
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The value of cot 45° is:
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The value of sec 0° is:
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The value of cosec 90° is:
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The value of cos 45° is:
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The value of sin 45° is:
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tan θ × cot θ = ?
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cos θ × sec θ = ?
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sin θ × cosec θ = ?
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The side opposite to the angle θ is called:
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In trigonometry, the longest side of a right triangle is called:
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If tan θ = 3/4, then cot θ = ?
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If cos θ = 12/13, then sec θ = ?
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If sin θ = 4/5, then cosec θ = ?
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Which ratio is equal to Hypotenuse/Perpendicular?
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Which ratio is equal to Hypotenuse/Base?
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The value of cosec 30° is:
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The value of sec 60° is:
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The value of tan 60° is:
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The value of tan 30° is:
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The value of cos 60° is:
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The value of sin 30° is:
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The value of cos 90° is:
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The value of tan 45° is:
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cot θ is equal to:
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cosec θ = ?
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sec θ is the reciprocal of:
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tan θ is equal to:
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The value of sin 90° is:
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The value of cos 0° is:
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In a right triangle, if perpendicular = 3 and hypotenuse = 5, then sin θ = ?
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