NEW! Sample Papers Books : Class-X, Class-XII
If xcosθ – ysinθ = a, xsinθ + ycos θ = b, prove that x2+y2=a2+b2.
Prove that sec2θ+cosec2θ can never be less than
If A, B are acute angles and sinA= cosB, then find the value of A+B.
NEW! GET EMAIL ALERTS
CBSE Sample Papers
Home | CBSE-X | CBSE-XII | Papers | E-Books |
© 2020 - CBSEPORTAL.COM - India's First Online Community Website For CBSE Students.
CBSE X, CBSE XII, AIEEE, AIPMT - Papers, Mock Exams, Books, Results and More...
Disclaimer: cbseportal.com is not at associated with CBSE, For official website of CBSE visit - www.cbse.nic.in