Question

solve the following subquestion .

1) what is the value of sin
90° + cos 90°

2) If Sin a = cos o, What is the value of a+ o

3) what is the value of cot²o - cosec ²o .

4) what is the value of sec ²28 × cos ²28 .

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Answer 1

Answer:

sin 90° + cos 90°= 1

Step-by-step explanation:

sin 90° + cos 90°

1 +0= 1