Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

trigono
Asked by poojathally | 18 Feb, 2010, 02:35: PM
answered-by-expert Expert Answer

cos A = 3/5.

Construct a right angle triangle with one side 3 and hypotenuse 5 units, and you'll identify the other side as 4 units.

Hence sin A = 4/5.

Did you mean cot2A or cot2A?

Considering you meant cot2A.

16cot2A - 1 = 16x(3/5)2/(4/5)2 - 1 = 8

Regards,

Team,

TopperLearning.

Answered by | 18 Feb, 2010, 02:41: PM
CBSE 10 - Maths
Asked by nikunjgupta102021 | 12 Jul, 2021, 09:01: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by arindeep.singh | 02 Oct, 2020, 12:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by arindeep.singh | 02 Oct, 2020, 12:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×