SSC IB Security Assistant & MTS Mock Test Series 2023 Mathematics Trigonometry Trigonometric Ratios

ଯଦି \(\rm cosec~\theta =\frac{29}{21}\) ଯେଉଁଠାରେ 0 < θ < 90°, ତେବେ4 sec θ + 4 tan θ ର ମୂଲ୍ୟ କେତେ ହେବ ?

1
5 
2
10 
3
15 
4
20 
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