Step by step video, text & image solution for If cos^4 theta sec^2 alpha,1/2 and sin^4 theta cosec^2 alpha are in A.P., then cos^8 theta sec^6 alpha ,1/2 and sin^8 theta cosec^6 alpha are by Maths experts to help you in doubts & scoring excellent marks in Class 12 exam...
=5xandcosecθ=5x,(x≠0), then the value of5x21x2is: यदिcotθ=5xऔरe=)है, तो Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET...
2. Expressing in Terms of Sine and Cosine: We know: sec2α=1cos2αandcsc2α=1sin2α Therefore, we can rewrite the equation: 1=cos4θ⋅1cos2α+sin4θ⋅1sin2α This simplifies to: 1=cos4θcos2α+sin4θsin2α 3. Cross Multiplying: Multiply through by cos2αsin2α: cos4θ...
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If 2ycosθ=xsinθand2xsecθ−ycosecθ=3, then x2+4y2= A4 B−4 C−2 D2Submit If 2ycosθ=xsinθ and 2xsecθ−ycosecθ=3, then the relation between x and y is: A2x2+y2=2 Bx2+4y2=4 Cx2+4y2=1 D4x2+y2=4Submit If xsin3θ+ycos3θ=sinθcosθand xsinθ...
Step by step video & image solution for sqrt(sec^2theta+cosec^2theta)=tantheta+cottheta=sectheta.cosectheta. . by Maths experts to help you in doubts & scoring excellent marks in Class 10 exams.Updated on:21/07/2023 Class 10MATHSTRIGONOMETRIC RATIOS AND IDENTITIES ...
From algebra we know that if ax2+bx+c=0,a(≠0),b,c∫R has roots α and β then α+β=−ba and αβ=ca. Trignometric functions sinθ and cosθ,tanθ and secθ, cosec θ and cotθ obey sin2θ+cos2θ=1. A linear relation in sinθ and cosθ,secθ and tanθ or cosec...
Trignometric functions sinθ and cosθ,tanθ and secθ, cosec θ and cotθ obey sin2θ+cos2θ=1. A linear relation in sinθ and cosθ,secθ and tanθ or cosec θ and cosθ can be transformed into a quadratic equation in, say, sinθ,tanθ or cotθ respectively. And then one ...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
If sin x + cos x = m(ne pm 1) and sec x + cosec x = n then n in terms of m is .