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प्रश्न
Solve for 'θ': cot2(θ - 5)° = 3
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उत्तर
cot2(θ - 5)° = 3
⇒ cot(θ - 5)° = `sqrt(3)`
⇒ cot(θ - 5)° = cot 30°
⇒ (θ - 5)° = 30°
⇒ θ = 30°+ 5°
⇒ θ = 35°.
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