Medium Math Class 11 Level 1

If tan θ = 3/4 and θ is acute then what is sec θ?

यदि tan θ = 3/4 और θ acute है तो sec θ का मान क्या होगा?

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Correct Answer

C. 5/4 / 5/4

Explanation

Step 1: Use identity sec²θ=1+tan²θ. Step 2: sec²θ=1+9/16=25/16 so secθ=5/4. Step 3: Remembering 3-4-5 triangle ratios is useful.

Step 1: Identity sec²θ=1+tan²θ लगाएं। Step 2: sec²θ=1+9/16=25/16 इसलिए secθ=5/4 है। Step 3: 3-4-5 triangle ratios याद रखना उपयोगी है।

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