Question

If 7 sin squared theta + 3 cos squared theta is equal to 4 then find the value of tan theta​

Answer 1

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Answer 2

Step-by-step explanation:

7 sin²¢ + 3 cos²¢ = 4

4sin²¢ + 3 ( sin²¢ + cos²¢) = 4

4sin²¢ + 3×1 = 4

4sin²¢ = 4-3 = 1

sin²¢ =1/4

sin ¢ = √(1/4)

sin ¢ = 1/2

¢ = 45°

tan¢ =tan 45° = 1