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OCR A Level Maths

Solving Trig Equations

Check solutions to equations numerically
Explore sin, cos and tan in the unit circle
Find Derived Identity 1
Two other identities can be derived from the identity sin2(x)+cos2(x)≡1. This display allows you to view one of them.

Adjust the sliders so the green and red curves coincide. You will see the identity.
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Find Derived Identity 2
Two other identities can be derived from the identity sin2(x)+cos2(x)≡1. This display allows you to view one of them.

Adjust the sliders so the green and red curves coincide. You will see the identity.
OPEN FULL-WINDOW
sin(x + a) + sin(x - a)
The display shows y=sin⁡x in blue and y=sin⁡(x+a)+sin⁡(x−a)
OPEN FULL-WINDOW
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