1c:I[1254,["7330","static/chunks/d3ac728e-78c3d5d7a486ed3a.js","5159","static/chunks/5159-48592f0bf1a47f9d.js","8175","static/chunks/8175-f84d59b9bd013e10.js","8167","static/chunks/8167-b25693a0140130f2.js","664","static/chunks/664-bceb0f356f9312eb.js","3703","static/chunks/app/practice-question/%5Bslug%5D/page-d1408559b663b83f.js"],"PracticeQuestionCard"] 1b:T4b0,{"@context":"https://schema.org","@type":"QAPage","name":"The expression ^4 - ^4 + 2 ^2 + 3 ( cosec\\, + + 1 ) ( cosec\\, - + 1 )…","url":"https://vidyalelo.com/practice-question/the-expression-cos-pow-4-sin-pow-4-2sin-pow-2-3-cosec-cot-1-cosec-cot-1-2-is-equal-to-252855","keywords":"practice questions, MCQ, MCQs with answers, objective questions, competitive exam questions, Competitive Exams, Competitive Exams MCQ, Competitive Exams MCQs, Competitive Exams questions, Competitive Exams practice questions, Aptitude, Aptitude MCQ, Aptitude MCQs, Aptitude questions, Aptitude practice questions, Trigonometry","mainEntity":{"@type":"Question","name":"The expression ^4 - ^4 + 2 ^2 + 3 ( cosec\\, + + 1 ) ( cosec\\, - + 1 )…","text":"The expression ^4 - ^4 + 2 ^2 + 3 ( cosec\\, + + 1 ) ( cosec\\, - + 1 ) - 2, is equal to:","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Option D. 2sinθ. Answer & Solution Answer: Option D Solution: & ^4 - ^4 + 2 ^2 + 3 ( cosec\\, + + 1 ) ( cosec\\, - + 1 ) - 2 & = ( ^2 + ^2 ) ( ^2 - ^2 ) + 2 ^2 + 3 ( cosec\\, + 1 + ) ( cosec\\, + 1 - ) - 2 & = ( ^2 - ^2 ) + 2 ^2 + 3 ( cosec\\, + 1 )^2 - ^2 - 2 & = ^2 + ^2 + 3 cose c^2 + 1 + 2 cosec\\,…"}}}1d:T54c,

Answer & Solution

Answer: Option D

Solution:

$$\eqalign{ & \frac{{{{\cos }^4}\theta - {{\sin }^4}\theta + 2{{\sin }^2}\theta + 3}}{{\left( {{\text{cosec}}\,\t

The expression ^4 - ^4 + 2 ^2 + 3 ( cosec\, + + 1 ) ( cosec\, - + 1 ) - 2, is equal to:

Solution