Start learning →

ஒரு குறுங்கோணத்தின் சைன் மதிப்பு 5/13. அதன் கொசைன் மதிப்பைக் காண்க.

A5/12
B8/13
C13/12
D12/13
Answer & Solution
Correct answer: D. 12/13
Cos θ என்பது 1 - 25/169 = 144/169 இன் வர்க்கமூலம் ஆகும், இது 12/13 ஆகும்.
Practise this question with Quill — RRB NTPC →

Keep practising Geometry and Trigonometry

Browse all Geometry and Trigonometry questions for RRB NTPC, or explore more Mathematics topics.

Start a Geometry and Trigonometry lesson →
Related questions
RRB NTPC · Trigonometric RatiosRRB NTPC · Triangle CentersRRB NTPC · Classify Angle TypesRRB NTPC · Match Trigonometric ValuesWhich line segment connects two points on a circle and divides it into two segments?When does the sum of two side lengths equal the third side?What total measure in degrees do the two non-right angles of a right triangle add up to?What geometric shape is the planar region bounded by two concentric circles?