Math, asked by adityaharsh216, 1 year ago

Find value of
tan6.tan42.tan66.tan78

Answers

Answered by Yanshu5

0

plz check ur ques once again

adityaharsh216: Question is correct

Yanshu5: ok

Answered by Anonymous

0

Answer:

Step-by-step explanation:tan(90°-78°).tan(90°-66).tan66°.tan78=1

cot78°.cot66°.tan66°.tan78°=1

cot78°.tan78°.cot66°.tan66°=1

1×1=1

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