Question

please help me to solve this question ​

Answer 1

Answer:

Step-by-step explanation:

Q25 sin²60+tan²60/sec²45-cos²45

=(√3/2)²+(√3)³/(√2)²+(1/√2)²

=(3/4+3)/(2+1/2)

=(15/4)/(3/2)

=15/4×2/3

=30/12

=5/2