1.

Sin theta=2/7 find cosec theta if tan theta=2/5 find cos theta​

Answer»

ong>Step-by-step explanation:

sin theta =2/7

COSEC theta is RECIPROCAL of sin

cosec theta = 7/2

TAN theta =2/5

(PERPENDICULAR)/(BASE)=2/5

by pt

(h)^2=p^2+b^2

h^2= 4k^2+25k^2

h^2= 29k^2

h=✓29k

cos theta = base/hypotenuse

5k/✓29k

5/✓29



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