Question

θ is an acute angle, solve the following equations for θ:

(sec θ – 2) (tan 3 θ – 1) = 0



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Answer 1

Answer: If 3Θ is an acute angle, solve the following equation Θ:(cosec3Θ−2)(cot2Θ−1)=0.

Step-by-step explanation:We have,

(csc3θ−2)(cot2θ−1)=0

Either,

csc3θ−2=0 or cot2θ−1

csc3θ=2,cot2θ=1

csc3θ=csc  

6

π

​  

,cot2θ=cot  

4

π

​  

 

3θ=  

6

π

​  

,2θ=  

4

π

​  

 

θ=  

18

π

​  

,θ=  

8

π

​

Answer 2

Answer:

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