1. निम्नलिखित का मान sin 18° (1) cos 729
Answers
Answered by
0
Answer:
this is your answer of this question
Attachments:
Answered by
0
Answer:
1
Step-by-step explanation:
cos (90°-18°)= cos A / cos 72°
cos 72°/cos 72°
=> 1
Similar questions