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Q1:
Find s i n π given 5 1 ( 9 0 β π ) = 2 4 c o s β where π is a positive acute angle.
Q2:
Which of the following is equal to s i n π ?
Q3:
Find the value of t a n ( 2 7 0 β π ) β given c o s π = β 4 5 where 9 0 < π < 1 8 0 β β .
Q4:
Find the value of c o s ( 9 0 + π ) β given s i n π = 3 5 where 0 < π < 9 0 β β .
Q5:
Find the value of s i n t a n s i n ( 1 8 0 β π₯ ) + ( 3 6 0 β π₯ ) + 4 ( 2 7 0 β π₯ ) β β β given s i n π₯ = 3 5 where 0 < π < 9 0 β β .
Q6:
Find the value of s i n c o s t a n c o t ( β 6 0 ) 3 0 + 5 7 3 3 β β β β giving the answer in its simplest form.
Q7:
Find the value of s i n s i n c o s ( 9 0 β π₯ ) ( π₯ ) ( 9 0 β 2 π₯ ) .
Q8:
π΄ π΅ πΆ is a right-angled triangle at π΅ . Find c o t πΌ given c o t π = 4 3 .
Q9:
Simplify c s c ( 2 7 0 β π ) β .
Q10:
Simplify c s c ( 2 7 0 + π ) β .
Q11:
Simplify s e c ( 9 0 + π ) β .
Q12:
Simplify s e c c o t ο» β π ο ( π β π ) π 2 .
Q13:
Simplify c o s ( 2 7 0 + π ) β .
Q14:
Simplify s i n c o t c s c ο» π 2 β π ο ο» π 2 β π ο ( π β π ) .
Q15:
Simplify c s c ( 9 0 + π ) β .
Q16:
Simplify s i n c o s ο» β π ο ( 2 π β π ) π 2 .
Q17:
Simplify t a n ( 9 0 β π ) β .
Q18:
Simplify s i n c o s π + ( 2 7 0 + π ) β .
Q19:
Simplify c o t ( π β 2 7 0 ) β .
Q20:
Simplify s i n c o s ο» β π ο ( β π ) π 2 .
Q21:
Simplify c o s ( 2 7 0 β π ) β .
Q22:
Simplify c o s ( π β 2 7 0 ) β .
Q23:
Simplify c o s ( π β 9 0 ) β .
Q24:
Simplify c o t ( π β 9 0 ) β .
Q25:
Simplify s e c ( π β 2 7 0 ) β .
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