Mathematics - Trigonometric Equation Question with Solution | TestHub

MathematicsTrigonometric EquationTrigonometric EquationEasy2 minPYQ_2016

MathematicsEasysingle choice

If $sin θ_{1} + sin θ_{2} + sin θ_{3} = 3,$ then $cos θ_{1} + cos θ_{2}$ $+ cos θ^{3} =$

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Answer:

Solution:

Since, $sin θ_{1} + sin θ_{2} + sin θ_{3} = 3$ $∴ ∴ sin θ_{1} = sin θ_{2} = sin θ_{3} = 1 \Rightarrow θ_{1} = θ_{2} = θ_{3} = \frac{π}{2} cos θ_{1} + cos θ_{2} + cos θ_{3} = 0$

Stream:BITSATSubject:MathematicsTopic:Trigonometric EquationSubtopic:Trigonometric Equation

⏱ 2mℹ️ Source: PYQ_2016

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