Start learning →

30° के sine में 60° का cosine जोड़ने पर क्या परिणाम प्राप्त होगा?

A1/2
B0
C1
D3/2
Answer & Solution
Correct answer: C. 1
दोनों पदों का मान 1/2 है (sin 30° = 1/2 और cos 60° = 1/2), इसलिए योग 1/2 + 1/2 = 1 होगा।
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?