trigonometric ratios Archives - Page 9 of 13

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Show that: (cos 30° + sin 60°)/(1 + sin 30° + cos 60°) = cos 30°

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This is the basic and conceptual question from trigonometric ratios in which we have to prove that (cos 30° + sin ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Show that: (1 – sin 60°)/cos 60° = (tan 60° – 1)/ (tan 60° + 1)

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This is the basic and conceptual question from trigonometric ratios in which we have been asked to prove that (1 ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: 4/cot^2 30° + 1/sin^2 30° – cos^2 45° – sin^2 0°

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This is the basic and conceptual question from trigonometric ratios in which we have to calculate the value of 4/cot^2 ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: (sin^2 30° + 4cot^2 45° – sec^2 60)(cosec^2 45° sec^2 30°)

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This is the basic and conceptual question from trigonometric ratios in which we have been asked to calculate the value ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: cot^2 30° – cos^2 30° – 3/4sec^2 45° + 1/4cosec^2 30°

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This is the basic and conceptual question from trigonometric ratios in which we have been asked to calculate the value ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: 2cos^2 60° + 3sin^2 45° – 3sin^2 30° + 2cos^2 90°

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This is the basic and exam oriented question from trigonometric ratios in which we have to find the value of ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: (5cos^2 60° + 4sec^2 30° – tan^2 45°)/(sin^2 30° + cos^2 30°)

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This is the basic and conceptual question from trigonometric ratios in which we have been asked to calculate the value ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: sin 30°/cos 45° + cos 45°/sec 60° – sin 60°/tan 45° + cos 30°/sin 90°

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This is the basic and conceptual question from trigonometric ratios in which we have been asked to find the value ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: cos 45° cos 30° + sin 30° sin 45°

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This is the basic and conceptual question from trigonometry(trignometric ratios) in which we have been asked to find the value ...Read more

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Rajan@2021Guru

Asked: April 5, 2021In: CBSE

Evaluate: cos 60° cos 30° + sin 30° sin 60°

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This is the basic and conceptual question from trigonometry (trigonometric ratios) in which we have to find the value of ...Read more

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