![SOLVED:0.5. (a) If AB, BC and regular polygon of 18 sides. (10) CD are three adjacent sides of Calculate the following angles () ABC (ii) ACD (b) Using ` (10) inverse trigonometric SOLVED:0.5. (a) If AB, BC and regular polygon of 18 sides. (10) CD are three adjacent sides of Calculate the following angles () ABC (ii) ACD (b) Using ` (10) inverse trigonometric](https://cdn.numerade.com/ask_images/50e8be2945b84904a6cb0f49f8c86ff1.jpg)
SOLVED:0.5. (a) If AB, BC and regular polygon of 18 sides. (10) CD are three adjacent sides of Calculate the following angles () ABC (ii) ACD (b) Using ` (10) inverse trigonometric
![If cot(A+B)= 8 and cot(A-B)= 4, find the value of cot 2A and cot2B. | Trigonometric Ratios of Compound Angles | Trigonometry | Sci-Pi If cot(A+B)= 8 and cot(A-B)= 4, find the value of cot 2A and cot2B. | Trigonometric Ratios of Compound Angles | Trigonometry | Sci-Pi](https://1.bp.blogspot.com/-Qf8fkGstJZ4/XpyEQMe5pmI/AAAAAAAAI54/7FI4do0ZuWkxzWZrkPYNtUKCLc1coKtJwCLcBGAsYHQ/s1600/IMG_20200419_222755.png)
If cot(A+B)= 8 and cot(A-B)= 4, find the value of cot 2A and cot2B. | Trigonometric Ratios of Compound Angles | Trigonometry | Sci-Pi
![Mécanique céleste . sin. (co. CAP):: tang. (co. A B) : sin. (co. BAP), or[I34571] cot. A C : cos. CAP:: cot. A B : cos. BAP, as in [134533]. Having Mécanique céleste . sin. (co. CAP):: tang. (co. A B) : sin. (co. BAP), or[I34571] cot. A C : cos. CAP:: cot. A B : cos. BAP, as in [134533]. Having](https://c8.alamy.com/comp/2CE2Y96/mcanique-cleste-sin-co-cap-tang-co-a-b-sin-co-bap-or-i34571-cot-a-c-cos-cap-cot-a-b-cos-bap-as-in-134533-having-the-segments-cap-bap-we-easily-obtain-the-anglecab=-cap-bap-noticing-the-signs-and-we-may-then-mark-tlie-triangles-asin-fig-9-and-the-rule-cos-opp-cc-sin-mid-will-give-cos-co-cap-sin-co-acp-cos-co-bap-sin-co-a-b-p-or-1345v2-sin-capcosa-c-p-s-b-a-p-cosa-b-p-as-in-1345-second-let-ac-b-c-and-the-included-angle-c-be-given-to-find-a-b-and-theangles-a-b-having-found-the-segment-c-p-as-above-13-2CE2Y96.jpg)
Mécanique céleste . sin. (co. CAP):: tang. (co. A B) : sin. (co. BAP), or[I34571] cot. A C : cos. CAP:: cot. A B : cos. BAP, as in [134533]. Having
![BEGINNER'S BOX-1Question based on Significant Figures1. The error in the measurement of volume of sphere is 1.5%. the error in the measurement of its diameter is(A) 1% (B) 2% (C) 0.5% (D) BEGINNER'S BOX-1Question based on Significant Figures1. The error in the measurement of volume of sphere is 1.5%. the error in the measurement of its diameter is(A) 1% (B) 2% (C) 0.5% (D)](https://wb-qb-sg-oss.bytededu.com/material/2925/2020082003113301010402802129001BAD.jpg)