साइन 18 डिग्री बटा cos 72 डिग्री का मान क्या है
Answers
Answered by
2
Answer:
1
Step-by-step explanation:
sin 18 = cos 72 (since 18 and 72 are complementary angles)
=> sin 18/ cos 72 = cos 72/cos 72 = 1
Similar questions