Math, asked by kalyanikrishna057, 9 months ago

Show that
( tan48° tan 23° tan 42° tan 67° = 1

Answers

Answered by chandradeep1612005

1

Answer:

see the picture for solution

Attachments:

Answered by sreyashiganguli09

1

Answer:

Step-by-step explanation:

tan48 *tan23*tan42*tan67

=tan48 * tan23 * cot 48 * cot23

=tan48 * tan 23* 1/tan 48 *1/tan 23

=1*1

=1

Hence proved LHS=RHS

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