CBSE Class 11-science Answered
Trigonometry
Asked by | 16 Sep, 2009, 01:25: PM
Expert Answer
(sin63/cos63)-(cos63/sin63)
=-(cos 63*cos63-sin63*sin63)/sin63cos63
=-2cos126/sin126
=-2cot126
the double angle formulae have been used here.
Answered by | 06 Oct, 2009, 08:55: AM
Application Videos
Concept Videos
CBSE 11-science - Maths
Asked by Manjeet | 23 Mar, 2024, 09:41: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by kanishkatutejasirsa | 09 Mar, 2024, 11:08: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by rajyothi64 | 05 Mar, 2024, 09:49: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by ghoshshawata62 | 04 Mar, 2024, 08:16: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by ns091764623 | 03 Mar, 2024, 08:33: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by nayaktapaswini2007 | 29 Feb, 2024, 09:10: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by kartikpramanik728 | 28 Feb, 2024, 07:23: PM
ANSWERED BY EXPERT