Question

Find the value of sec square 20-cot square 70÷sin square 70+sin square 20

Answer 1

Answer:

sec square 20-cot square 70÷sin square 70+sin square 20

= sec square 20-tan square (90-70)÷sin square 70+cos square (90-20)

=1/1

=1

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Answer is 1

Find the solution attached.