Start learning →

এটা সূক্ষ্মকোণ θ ৰ পূৰক কোণৰ sine, θ ৰ কোনটো অনুপাতৰ সমান?

Atan θ
B−cos θ
Csin θ
Dcos θ
Answer & Solution
Correct answer: D. cos θ
সূক্ষ্মকোণ দুটা পৰস্পৰ পূৰক, সেয়েহে এটাৰ sine আনটোৰ cosine ৰ সমান।
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?