Hindi, asked by mithunhaldkar7562, 10 months ago

Sin थीटा +cos थीटा का मान सदैव 1 से बड़ा होता है ?

Answers

Answered by aashishrathore150120
0

Answer:

Let θ be an arbitrary acute angle. Prove that sin(θ)+cos(θ)≥1sin⁡(θ)+cos⁡(θ)≥1.

(sin(θ)+cos(θ))2=1+2sin(θ)cos(θ)≥0

(sin⁡(θ)+cos⁡(θ))2=1+2sin⁡(θ)cos⁡(θ)≥0

so,

(sin(θ))+cos(θ))2(sin(θ)+cos(θ))2>1≥

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