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If sec theta+tan theta= 2+sqrt5 and thet...

If `sec theta+tan theta= 2+sqrt5` and `theta` is an acute angle, then the value of `sin theta` is:
यदि `sec theta+tan theta= 2+sqrt5` तो `sin theta` का मान क्या होगा जहाँ ` theta` न्यून कोण है

A

a)`(2 sqrt5)/5`

B

b)`3/5`

C

c)`sqrt5/5`

D

d)`1/5`

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