Question

if cos 5 theta = sin theta and 5 theta is less than 90°, find the value of tan 3 theta​

Answer 1

I hope this answer is helpful to you

Answer 2

Answer:

1

Step-by-step explanation:

here © means theta

cos 5©=sin©

cos 5© = cos(90°-©) [cos(90°-©)=sin©]

therefore,

5© = 90°-©

6© = 90°

© = 15°

hence,

tan 3© = tan 3×15 = tan 45°

tan 45° = 1

hope it helps✌