Math, asked by prince2399, 11 months ago

Cos 9 degree +sin 9degree divided cos9 degree- sin 9 degree= tan54

Answers

Answered by riteshpatel39

4

Step-by-step explanation:

in Lhs

dividing by cos9^° numerator and denominator

1+tan9°/1-tan9°

tan(45°+9°)=tan 54°

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