For θ = 10 0 ∘ , classify sin θ + cos θ .

sin 10 0 ∘ + cos 10 0 ∘ = 2 sin 14 5 ∘ = 2 sin 3 5 ∘ ∈ ( 0 , 1 ) .

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MathematicsTrigonometric Ratios & IdentitiesBasic Identities & T RatiosEasy3 minQB

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For $θ = 10 0^{\circ}$ , classify $sin θ + cos θ$ .

Answer:

Solution:

$sin 10 0^{\circ} + cos 10 0^{\circ} = 2 sin 14 5^{\circ} = 2 sin 3 5^{\circ} \in (0, 1)$ .

Stream:JEESubject:MathematicsTopic:Trigonometric Ratios & IdentitiesSubtopic:Basic Identities & T Ratios

⏱ 3mℹ️ Source: QB

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