Question

please solve I'll mark as brainliest​

Answer 1

Step-by-step explanation:

sin@ + sin²@ = 1

sin@ = 1-sin²@

sin@ = cos²@ ........@1

cos²@ + (cos²@)²

put cos²@ value from equation 1

= sin@ + (sin@)²

= sin@ + sin²@

= 1

Answer 2

Answer:

See this.

Step-by-step explanation:

Hope it helps you...Please mark this answer as the brainliest and follow me.