Q1:
Find the value of .
Q2:
Find the value of given where .
Q3:
Find the value of given where .
Q4:
Find the value of given where .
Q5:
Find, without using a calculator, given where .
Q6:
Find the value of given where .
Q7:
Find the value of given where .
Q8:
Find the value of without using a calculator.
Q9:
Find the value of given where is a positive acute angle.
Q10:
Find the value of given where without using a calculator.
Q11:
Find the value of given where .
Q12:
Find the value of without using a calculator.
Q13:
Find the value of given where and where .
Q14:
Find, without using a calculator, the value of given where .
Q15:
Find, without using a calculator, the value of given where .
Q16:
Find, without using a calculator, the value of given , where .
Q17:
Find, without using a calculator, the value of given where .
Q18:
Find the value of without using a calculator.
Q19:
Find the value of without using a calculator.
Q20:
Find given .
Q21:
Find, without using a calculator, the value of given where .
Q22:
Evaluate without using a calculator.
Q23:
Find the value of given .
Q24:
Find, without using a calculator, the value of given where .
Q25:
Evaluate without using a calculator.