Prove that: ???? +???? sin ?−???? …
CBSE, JEE, NEET, CUET
Question Bank, Mock Tests, Exam Papers
NCERT Solutions, Sample Papers, Notes, Videos
Posted by Na. Shakthi 3 years, 6 months ago
- 3 answers
Yogita Ingle 3 years, 6 months ago
1) (a+b)²+(a-b)² = 2(a²+b²)
2) (a-b)(a+b) = a²-b²
and
By Trigonometric identity:
sin²A+cos²A = 1 */
*/
/* By Trigonometric identity:
cos²A = 1-sin²A*/
Therefore,
Related Questions
Posted by Sakshi Bhalshankar 1 day, 11 hours ago
- 0 answers
Posted by Aayush Yadav 2 days, 7 hours ago
- 0 answers
Posted by Aryan Agrawal 2 days, 7 hours ago
- 2 answers
Posted by Bhavya Bansal 2 days, 10 hours ago
- 1 answers
Posted by Garv . 2 days, 20 hours ago
- 2 answers
Posted by Sandhya Vishwakarma 15 hours ago
- 0 answers
myCBSEguide
Trusted by 1 Crore+ Students
Test Generator
Create papers online. It's FREE.
CUET Mock Tests
75,000+ questions to practice only on myCBSEguide app
King Adithya H M... 3 years, 6 months ago
1Thank You