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Questions  

tan15+tan75 is equal to 

a
1
b
2
c
3
d
4

detailed solution

Correct option is D

tan⁡15∘+tan⁡75∘=tan⁡15∘+cot⁡15∘=tan2⁡15∘+1tan⁡15∘=21sin⁡30∘=4

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