engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি θ = 45° হয়, তাহলে \(\frac{{\\sin \,\theta \, + \,\cos \,\theta }}{{\sin \,\theta \, - \,\cos \,\theta }}\) এর মান কত হবে?
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0
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1
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-1
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