CUET Preparation Today
CUET
General Aptitude Test
Quantitative Reasoning
Trigonometry
If sec2θ + tan2θ = 7, then find the value of θ when 0°≤θ<90°.
0°
60°
30°
45°
⇒ sec2θ + tan2θ = 7
⇒ (1+tan2θ) + tan2θ = 7
⇒ 2tan2θ = 6
⇒ tanθ = \(\sqrt {3 }\)
⇒ θ = 60°
