Q2 of 120 Page 99

Prove that =tan θ +cot θ.

L.H.S : √(sec2 θ + cosec2 θ)












: R.H.S


Hence, proved.


More from this chapter

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1

If cosec θ +cot θ =p, then prove that cos θ =.

 2

Prove that =tan θ +cot θ.

 3

The angle of elevation of the tower from certain point is 300. If the observer moves 20 m towards the tower, the angle of elevation of the top increase by 150.Find the height of the tower.

 3

The angle of elevation of the tower from certain point is 300. If the observer moves 20 m towards the tower, the angle of elevation of the top increase by 150.Find the height of the tower.