Question

Sin² 90° + sin 0°- sin² 45-Cos² 45​

Answer 1

Answer:

Step-by-step explanation:

sin^2 0 = 0

sin^2 90 = 1

sin^2 theta + cos ^2 theta = 1

so, ques is now,

Sin² 90° + sin 0°- sin² 45-Cos² 45​

=> 1 + 0 - [sin^2 45 + cos^2 45] (from identity)

=> 1 -1

= 0

hope it helped, please mark as brainliest if it did