UPSKILL MATH PLUS

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1. Find the value of cotθtan(90°θ)+cos(90°θ)tanθsec(90°θ)sin(90°θ)cot(90°θ)cosec(90°θ).
 
Answer:
 
cotθtan(90°θ)+cos(90°θ)tanθsec(90°θ)sin(90°θ)cot(90°θ)cosec(90°θ) \(=\)
 
2. Find the value of \(sin \ 49^{\circ}\) using trigonometric table.
 
Answer:
 
\(sin \ 49^{\circ} =\)
 
3. Find the value of \(cos \ 74^{\circ}39'\) using trigonometric table.
 
Answer:
 
\(cos \ 74^{\circ}39' =\)