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Elective Mathematics

Elective Mathematics · Quick practice · answer shown after each question

Trigonometric identities

Question 1 of 10

Question 1 of 10

1 + tan²θ =

Question 2 of 10

Question 2 of 10

cos 2θ can be written as

Question 3 of 10

Question 3 of 10

sin(A + B) =

Question 4 of 10

Question 4 of 10

cos²θ − sin²θ is equal to

Question 5 of 10

Question 5 of 10

tan 2θ =

Question 6 of 10

Question 6 of 10

Which identity is always true?

Question 7 of 10

Question 7 of 10

sin 2θ is equal to

Question 8 of 10

Question 8 of 10

If tan A = 1/2 and tan B = 1/3, find A + B.

Question 9 of 10

Question 9 of 10

Simplify sin 2θ / (1 + cos 2θ).

Question 10 of 10

Question 10 of 10

sin²θ + cos²θ =

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.