Trigonometry class 10th maths chapter 8 exercise 8.1

TRIGONOMETRY CLASS 10TH MATHS CHAPTER 8TH MAJIBUL ANSARI SIR My name is Md Majibul Ansari.i am a student and also a teacher.i have passed out graduation.then I am starting a youtube channel. Please supporting me and I am teaching you compilation level as well as low level upload videos everyday.my concept is high level knowledge to easily understand to every one.make sure everyone help me with support me Thank you supporting me 🙏🙏🙏 Follow me on : Facebook: Majibul Ansari Majibul Ansari Instagram: md.majibulansari Telegram: Md Majibul Ansari Snapchat: mdmajibulansari #trigonometry #trigonometryclass10 #trigonometryclass #trikonmitikesawal #whatistrigonometry #त्रिकोणमितिक्याहै #trigonometry10th #trigonometry_tricks #trigonometrymaths #trigonometricfunction #howtofindsin²a-cosa=1 angle #trigonometrychapter #sin²a-cos²a=1kakonhai #sin²a-cos²a=1kamankaisenikale #1+tan²a=sec²akamankaisenikale #1+cot²a=cosec²akamankaisenikale #cos90-akavaluekaisenikale #tan90-akavaluekaisenikale #exercise8.1