Test Index

NCERT Class XI Mathematics - Trigonometric Functions - Solutions

© examsnet.com
Question : 17
Total: 61
cot (−
15π
4
)
Solution:  
cot (−
15π
4
) = - cot (
15π
4
) = - cot (4π−
π
4
) = cot
π
4
 = 1
© examsnet.com
Go to Question:
Prev Question
Next Question