Question

How to calculate the maximum and minimum value of cos theta + sin theta?

Answer 1

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Answer 2

With the help of Minimum-Maximum Value Table we can find the Value of cos θ

Therefore,

Minimum Value of cos θ = - 1 and

Maximum Value of cos θ = 1

With the help of Minimum-Maximum Value Table we can find the Value of sin θ

Therefore,

Minimum Value of sin θ = - 1 and

Maximum Value of sin θ = 1

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