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Questions  

If 0<θ<π2,tanθ=cos290+sin290cos290sin290 then θ=

a
160
b
740
c
370
d
80

detailed solution

Correct option is B

tanθ=cos29+sin29cos29-sin29 devide numerator and denominator with cos29 tanθ=1+tan291-tan29=tan(45+29)

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