Easy
1 point
ID: #27911
Question
cosec (90° - θ) = 2 হলে, cosθ = কত?
Options
1
2
Correct Answer
2
√3/2
Correct Answer
3
1/2
Correct Answer
4
1/√2
Correct Answer
Explanation
আমরা জানি, cosec(90° - θ) = secθ। প্রশ্নমতে, secθ = 2 বা 1/cosθ = 2। সুতরাং, cosθ = 1/2।
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