Q1.Find the number of 2-digit positive integers N such that tanN15° + cot 15° is an integer.
Answers
Answered by
6
Step-by-step explanation:
*Given: Find the number of 2-digit positive integers N such that tanN15° + cotN15° is an integer.
To Find: Value of N.
Solution: We know that tan45°=1 and cot 45°=1.
Thus,
One have to assume N,such that tanN15° + cotN15° will become an integer.
Let N=15
we know that
Thus,
Final answer:
For N=15
Hope it helps you.
Answered by
0
Answer:
65
Step-by-step explanation:
Similar questions