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Question Number 97656 by Vishal Sharma last updated on 09/Jun/20

$$\mathrm{Maximum}\mathrm{value}\mathrm{of}3\cos \theta +4\sin \theta \mathrm{is}$$

Commented by bobhans last updated on 09/Jun/20

$$\max =5$$$$\min =-5$$

Answered by Rio Michael last updated on 09/Jun/20

$$3\cos \theta +4\sin \theta =5\cos (x-43°)$$$$\max =5$$$$\min =-5$$$$\mathrm{as}-5⩽5\cos (x-43°)⩽5$$

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