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1. cos θ = 12/13 হলে tanθ এর মান কত ?
- A. 13/12
- B. 13/12
- C. 13/12
- D. 13/12
Answer: Option D
Explanation:
সুতরাং cos θ = + 12/13 এবং sec θ = + 13/12। sin θ = - 5/13, cosec θ = - 13/5, tan θ = - 5/12 এবং cot θ = - 12/5।
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