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517.
518.
519.
520.
521.
522.
523.
524.
525.
526.
527.
528.
529.
530.
531.
532.
533.
534.
535.
Returning to Basic Sine and Cosine to Solve Identities
536–540 Determine the missing term or factor in the identity by changing all functions to those using sine or cosine.
536.
537.
538.
539.
540.
Using Multiplication by a Conjugate to Solve Identities
541–545 Determine the missing term or factor in the identity by multiplying by a conjugate.
541.
542.
543.
544.
545.
Solving Identities After Raising a Binomial to a Power
546–550 Determine the missing term or terms in the identity after computing the power of the binomial.
546.
547.
548.
549.
550.
Solving Identities After Factoring out a Common Function
551–555 Determine the missing term or factor in the identity after factoring.
551.
552.
553.
554.
555.
Solving Identities After Combining Fractions
556–560 Determine the missing term or factor in the identity after adding the fractions.
556.
557.
558.
559.
