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CBSE Class 10 Answered

tan15° + tan30° + tan15° ×tan30°=1
Asked by deepakverma786024 | 18 Dec, 2022, 05:43: AM
answered-by-expert Expert Answer
tan open parentheses straight A plus straight B close parentheses equals fraction numerator tanA plus tanB over denominator 1 minus tanA cross times tanB end fraction rightwards double arrow tan open parentheses 15 plus 30 close parentheses equals fraction numerator tan 15 plus tan 30 over denominator 1 minus tan 15 cross times tan 30 end fraction rightwards double arrow tan 45 equals fraction numerator tan 15 plus tan 30 over denominator 1 minus tan 15 cross times tan 30 end fraction rightwards double arrow 1 equals fraction numerator tan 15 plus tan 30 over denominator 1 minus tan 15 cross times tan 30 end fraction rightwards double arrow tan 15 plus tan 30 equals 1 minus tan 15 cross times tan 30 rightwards double arrow tan 15 plus tan 30 plus tan 15 cross times tan 30 equals 1
Answered by Arun | 18 Dec, 2022, 09:21: AM

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CBSE 10 - Maths
tan15° + tan30° + tan15° ×tan30°=1
Asked by deepakverma786024 | 18 Dec, 2022, 05:43: AM
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