Math, asked by immadinooney, 1 year ago

The value of tan15°tan20°tan70° tan75° is

Answers

Answered by sandy1816

4

Step-by-step explanation:

tan15°tan20°tan(90°-20°)tan(90°-15°)

=tan15°tan20°cot20°cot15°

=tan15°×1/tan15°tan20°×1/tan20°

=1

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