Question
Download Solution PDFFind the value of sin (50 + θ) - cos (40 - θ).
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFormula used:
sin(90-θ) = cos θ
cos(90-θ) = sin θ
Calculation:
sin (50° +θ) - cos (40° - θ)
= sin( 90 - (40 -θ)) - cos(40 - θ)
= cos(40 -θ) - cos(40- θ)
= 0
∴ The correct answer is 0.
Last updated on Jul 10, 2025
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