Math, asked by chsubramanyam155, 5 months ago

If 2cotθ – 1 = 0, then find secθ – tanθ .​

Answers

Answered by utsavsinghal
1

Answer:

 \sqrt{5}  - 2

Step-by-step explanation:

It is given that

2cotθ-1=0

cotθ = 1/2

tanθ = 2

And we know that

sec^2θ =1+tan^2θ

Therefore

secθ=

 \sqrt{ 1 + {tan}^{2}x \: }

secθ=

 \sqrt{1 + {2}^{2} }

secθ=

 \sqrt{5}

Then ATQ,

secθ-tanθ=

 \sqrt{5}  - 2

Answered by sumitkumarraaz
0

The value of secA - tanA = 5 root- 2

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