engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
ABC ত্রিভুজে C সমকোণ হলে, tan A + tan B এর মান কত?
1
\(\frac{a}{{bc}}\)
2
\(\frac{{{a^2}}}{{bc}}\)
3
\(\frac{{{b^2}}}{{ca}}\)
4
\(\frac{{{c^2}}}{{ab}}\)