allerysec²θ ৰ পৰা tan²θ বিয়োগ কৰিলে সদায় কোনটো ধ্ৰুৱক পোৱা যায়?
A2
B0
C1
D−1
Answer & Solution
Correct answer: C. 1
sin ৰ বৰ্গ যোগ cos ৰ বৰ্গ সমান 1 ক cos ৰ বৰ্গৰে হৰণ কৰিলে tan ৰ বৰ্গ + 1 = sec ৰ বৰ্গ পোৱা যায়।
Keep practising Geometry and Trigonometry
Browse all Geometry and Trigonometry questions for RRB NTPC, or explore more Mathematics topics.
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?