Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

যদি Cosec θ + Cot θ = m হয়, তাহলে \(\rm\frac{m^{2}−1}{m^{2}+1}\) এর মান নির্ণয় করো।

1
1
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0
3
Cos θ
4
-Sin θ
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