Trigonometry

The angle of a sector is $\frac{\pi}{4}$ radians, and the radius of the circle is 8 cm. What is the area of the sector?

The angle of a sector is $\frac{\pi}{4}$ radians, and the radius of the circle is 8 cm. What is the area of the sector? एक सेक्टर का कोण है $\frac{\pi}{4} रेडियन है, $ और वृत की त्रिज्या 8 सेमी है। त्रिज्यखंड का क्षेत्रफल क्या है?

The angle of a sector is $\frac{\pi}{4}$ radians, and the radius of the circle is 8 cm. What is the area of the sector? Read More »

sec 2 A +cosec 2 A=13

If $ sec^2A + cosec^2A = 13,$ and A is an acute angle, then find the value of $ \text tan^2 A + cot^2A.$ यदि $ sec^2A + cosec^2A = 13,$ है तथा A एक न्यून कोण है, तो $ \text tan^2 A + cot^2A.$ का मान ज्ञात कीजिए

sec 2 A +cosec 2 A=13 Read More »

A tangent is drawn to a circle with a radius of 5 cm. At the point of tangency, what is the angle between the tangent and the radius?

A tangent is drawn to a circle with a radius of 5 cm. At the point of tangency, what is the angle between the tangent and the radius? 5 सेमी त्रिज्या वाले एक वृत्त पर एक स्पर्श रेखा खींची गई है।स्पर्श बिंदु पर,स्पर्श बिंदु पर रेखा और त्रिज्या के बीच का कोण क्या हैं?

A tangent is drawn to a circle with a radius of 5 cm. At the point of tangency, what is the angle between the tangent and the radius? Read More »

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