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Trigonometry · UPSC CDS/OTA · Question 38 of 48

Trigonometry: tan 18° + tan 27° + tan 18°. tan 27°.cot 45° = ?

Step-by-step solution. Trigonometry for UPSC CDS/OTA.

Topic
Trigonometry
Subject
Mathematics
Difficulty
Medium
Solve Time
45-60 sec

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Q · TrigonometryMedium · 45s

tan 18° + tan 27° + tan 18°. tan 27°.cot 45° = ?

TopicTrigonometry
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

The complete worked solution.

Every step explained - no skipped algebra.

Solution illustration 1
Final Answer: Option A - 1
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tan 18° + tan 27° + tan 18°. tan 27°.cot 45° = ? - Trigonometry (Mathematics) Solved Question