Math, asked by sahilpanwar55, 10 months ago

find : tan39.tan43.tan47.tan51

Answers

Answered by safa26

1

Step-by-step explanation:

=tan39°(90-51)°tan43°(90-47)°tan47 tan51°

=cot51°cot47°tan47°tan51°

=1/tan51°×1/tan47°×tan47°×tan51°

=1

Answered by jatinmishra49

1

tan39.tan43.tan(90-43).tan(90-39)

tan39.tan43.cot43.cot39= 1

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