Search for: The value of tan14sin−1638 is The value of tan14sin−1638 is A17B27C78D18 Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:Let sin−1638=θ. Then , sinθ=638 and cosθ=18. Now,cosθ=18⇒2cos2θ2−1=18⇒cos2θ2=916⇒cosθ2=34∴tan14sin−1638=tanθ4=1−cosθ21+cosθ2=1−341+34=17 Related content How to Score 160 Plus in NEET Chemistry? Toppers Tip to Get AIR 1 in NEET 2024 CBSE Class 10 Grading System and Marking Scheme 2024 Vocabulary Words For IELTS List, Preparation Tips Science GK Quiz in Hindi : जानिए विज्ञान से जुड़े महत्वपूर्ण सामान्य ज्ञान UP Board Class 10 Result 2024 Out Check Your Result How to Study for NEET from Class 8? Do or Die Chapters For NEET 2024 List of Phobias: Common Phobias From A to Z JEE Main 2024 April 6 Question Paper and Answer Key PDF with Solutions- Shift 1, 2