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Question Number 73817 by Rio Michael last updated on 16/Nov/19

$$findthesolutionsoftheequation$$$$in0⩽\theta ⩽\pi$$$$sin2\theta =sec\theta$$

Answered by mr W last updated on 16/Nov/19

$$\sin 2\theta ⩽1$$$$\sec \theta ⩾1$$$$\sin 2\theta =1\Rightarrow \theta =\frac{\pi }{4}$$$$\sec \theta =1\Rightarrow \theta =0$$$$\Rightarrow nosolutionfor\theta suchthat\sin 2\theta =1and\sec \theta =1!$$

Commented by Rio Michael last updated on 16/Nov/19

$$thanks$$

Commented by peter frank last updated on 16/Nov/19

$$thankyou$$

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