Teaching UP TGT Mock Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
ΔABC সমকোণী ত্রিভুজে B তে সমকোণ। যদি sinC = \(\frac{60}{61}\) এবং cosA = \(\frac{60}{61}\)হয়, তাহলে \(\frac{\text {tan}A + \text {cot} (A+C)}{\text {cot}C + \text {sec} A\text {sin} C}\) রাশিটির মান নির্ণয় করুন।
1
\(\frac{11}{61}\)
2
\(\frac{11}{60}\)
3
\(\frac{11}{71}\)
4
\(\frac{11}{21}\)