Question

sin²17•5°+ sin²72•5° is equal to:-

(a) cos²90° (b) tan²45° (c) cos²30° (d) sin²45°​

Answer 1

Answer:

you answer is tan^2(45)

Step-by-step explanation:

sin^2 (72.5)= cos^2 (17.5)

putting this on the given questions we get 1

and tan^2 (45)=1

so your answer is b

I hope it may help you