मराठी

Do as directed: sin θ = 0.96, find the value of cot θ + cosec θ. - Mathematics

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प्रश्न

Do as directed:

sin θ = 0.96, find the value of cot θ + cosec θ.

बेरीज
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उत्तर

Given:

sin θ = 0.96

Step 1:

cosec θ = `1/sin θ` = `1/0.96 = 1.0416`

cot θ = `sqrt("cosec"^2 θ − 1)`

cosec2 θ = `(1.0416)^2 ≈ 1.085`

cot θ = `sqrt1.085 − 1 = sqrt0.085 ≈ 0.291`

cot θ + cosec θ ≈ 0.291 + 1.0416 = 1.3326 ≈ `1 1/3`

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पाठ 19: Trigonometry - MISCELLANEOUS EXERCISE [पृष्ठ २३९]

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बी निर्मला शास्त्री Mathematics [English] Class 9 ICSE
पाठ 19 Trigonometry
MISCELLANEOUS EXERCISE | Q II. 2. | पृष्ठ २३९
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