Question
Download Solution PDFsin260° + cos230° - sin245° - 3sin290° യുടെ മൂല്യം കണ്ടെത്തുക
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFനൽകിയിരിക്കുന്നത്:
sin260° + cos230° - sin245° - 3sin290°
ഉപയോഗിച്ച ആശയം:
കണക്കുകൂട്ടൽ:
sin260° + cos230° - sin245° - 3sin290°
⇒ (√3/2)2 + (√3/2)2 - (1/√2)2 - {3 × (1)2}
⇒ 3/4 + 3/4 - 1/2 - 3
⇒ 3/2 - 1/2 - 3
⇒ (-2)
∴ sin260° + cos230° - sin245° - 3sin290° ന്റെ ആവശ്യമായ മൂല്യം (-2) ആണ്.
Last updated on Jul 12, 2025
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